From 6f96b2014b053a2e6e5a37464ca6fc578607fda7 Mon Sep 17 00:00:00 2001
From: jacopograndi <jacopo.grandi@outlook.it>
Date: Thu, 6 Jan 2022 18:44:53 +0100
Subject: rm

---
 day01/day01              |  Bin 79296 -> 0 bytes
 day01/day01.cpp          |   52 --
 day01/day01_input.txt    | 2000 ----------------------------------------------
 day01/day01_input_ez.txt |   10 -
 day01/makefile           |    2 -
 day02/day02              |  Bin 47672 -> 0 bytes
 day02/day02.cpp          |   50 --
 day02/day02_input.txt    | 1000 -----------------------
 day02/makefile           |    2 -
 day03/day03              |  Bin 83112 -> 0 bytes
 day03/day03.cpp          |   96 ---
 day03/day03_input.txt    | 1000 -----------------------
 day03/day03_input_ez.txt |   12 -
 day03/makefile           |    2 -
 day04/day04              |  Bin 116280 -> 0 bytes
 day04/day04.cpp          |  134 ----
 day04/day04_input.txt    |  601 --------------
 day04/day04_input_ez.txt |   19 -
 day04/makefile           |    2 -
 day05/day05              |  Bin 104096 -> 0 bytes
 day05/day05.cpp          |  100 ---
 day05/day05_input.txt    |  500 ------------
 day05/day05_input_ez.txt |   10 -
 day05/makefile           |    2 -
 day06/day06              |  Bin 76512 -> 0 bytes
 day06/day06.cpp          |   47 --
 day06/day06_input.txt    |    1 -
 day06/day06_input_ez.txt |    1 -
 day06/makefile           |    2 -
 day07/day07              |  Bin 76312 -> 0 bytes
 day07/day07.cpp          |   40 -
 day07/day07_input.txt    |    1 -
 day07/day07_input_ez.txt |    1 -
 day07/makefile           |    2 -
 day08/day08              |  Bin 84872 -> 0 bytes
 day08/day08.cpp          |   72 --
 day08/day08_input.txt    |  200 -----
 day08/day08_input_ez.txt |   10 -
 day08/makefile           |    2 -
 39 files changed, 5973 deletions(-)
 delete mode 100755 day01/day01
 delete mode 100644 day01/day01.cpp
 delete mode 100644 day01/day01_input.txt
 delete mode 100644 day01/day01_input_ez.txt
 delete mode 100644 day01/makefile
 delete mode 100755 day02/day02
 delete mode 100644 day02/day02.cpp
 delete mode 100644 day02/day02_input.txt
 delete mode 100644 day02/makefile
 delete mode 100755 day03/day03
 delete mode 100644 day03/day03.cpp
 delete mode 100644 day03/day03_input.txt
 delete mode 100644 day03/day03_input_ez.txt
 delete mode 100644 day03/makefile
 delete mode 100755 day04/day04
 delete mode 100644 day04/day04.cpp
 delete mode 100644 day04/day04_input.txt
 delete mode 100644 day04/day04_input_ez.txt
 delete mode 100644 day04/makefile
 delete mode 100755 day05/day05
 delete mode 100644 day05/day05.cpp
 delete mode 100644 day05/day05_input.txt
 delete mode 100644 day05/day05_input_ez.txt
 delete mode 100644 day05/makefile
 delete mode 100755 day06/day06
 delete mode 100644 day06/day06.cpp
 delete mode 100644 day06/day06_input.txt
 delete mode 100644 day06/day06_input_ez.txt
 delete mode 100644 day06/makefile
 delete mode 100755 day07/day07
 delete mode 100644 day07/day07.cpp
 delete mode 100644 day07/day07_input.txt
 delete mode 100644 day07/day07_input_ez.txt
 delete mode 100644 day07/makefile
 delete mode 100755 day08/day08
 delete mode 100644 day08/day08.cpp
 delete mode 100644 day08/day08_input.txt
 delete mode 100644 day08/day08_input_ez.txt
 delete mode 100644 day08/makefile

diff --git a/day01/day01 b/day01/day01
deleted file mode 100755
index 8fb500a..0000000
Binary files a/day01/day01 and /dev/null differ
diff --git a/day01/day01.cpp b/day01/day01.cpp
deleted file mode 100644
index 113f86d..0000000
--- a/day01/day01.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <iostream>
-#include <string>
-#include <vector> 
-#include <algorithm> 
-
-std::string read (char* name) {
-	FILE *f = fopen(name, "r");
-	char c = fgetc(f); std::string txt;
-	while (c != EOF) { txt += c; c = fgetc(f); }
-	fclose(f);
-	return txt;
-}
-
-std::vector<std::string> split (std::vector<std::string> vec, std::string name) {
-	auto token = name.find("\n");
-	if (token != std::string::npos) {
-		vec.push_back(name.substr(0, token));
-		return split(vec, name.substr(token+1));
-	} else if (name.size() > 1) { 
-		vec.push_back(name);
-	}
-	return vec;
-}
-
-int main (int argc, char* argv[]) {
-	if (argc < 2 && argc > 3) return 1;
-	std::string txt = read(argv[1]);
-
-	std::vector<std::string> vec;
-	vec = split(vec, txt);
-	std::vector<int> depths;
-	for (auto v : vec) {
-		depths.push_back(std::stoi(v));
-	}
-
-	int window = 1;
-	if (argc == 3) { window = atoi(argv[2]); }
-
-	int inc = 0;
-	for (std::size_t i=0; i<depths.size(); i++) {
-		if (i >= window) {
-			int sum0 = 0, sum1 = 0;
-			for (int j=0; j<window; j++) sum0 += depths[i-j-1];
-			for (int j=0; j<window; j++) sum1 += depths[i-j];
-			if (sum1 > sum0) inc ++;
-		}
-	}
-
-	std::cout << "The number of depth increases is " << inc << std::endl;
-
-	return 0;
-}
diff --git a/day01/day01_input.txt b/day01/day01_input.txt
deleted file mode 100644
index b3ee114..0000000
--- a/day01/day01_input.txt
+++ /dev/null
@@ -1,2000 +0,0 @@
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diff --git a/day01/day01_input_ez.txt b/day01/day01_input_ez.txt
deleted file mode 100644
index 167e291..0000000
--- a/day01/day01_input_ez.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-199
-200
-208
-210
-200
-207
-240
-269
-260
-263
diff --git a/day01/makefile b/day01/makefile
deleted file mode 100644
index 92fb064..0000000
--- a/day01/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day01.cpp:
-	g++ -std=c++20 -o day01 day01.cpp
diff --git a/day02/day02 b/day02/day02
deleted file mode 100755
index 8755c57..0000000
Binary files a/day02/day02 and /dev/null differ
diff --git a/day02/day02.cpp b/day02/day02.cpp
deleted file mode 100644
index dccb44a..0000000
--- a/day02/day02.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-#include <iostream>
-
-int main (int argc, char *argv[]) {
-	if (argc != 2) return 1;
-	
-	int depth = 0;
-   	int	forward = 0;
-
-	int aim = 0;
-	int aim_depth = 0;
-
-	FILE *f = fopen(argv[1], "r");
-	char c = fgetc(f); 
-	std::string command;
-	while (c != EOF) {
-		if (c == '\n') {
-			auto token_space = command.find(" ");
-			if (token_space != std::string::npos) {
-				std::string op = command.substr(0, token_space);
-				int amt = std::stoi(command.substr(token_space+1));
-				if (op == "forward") {
-					forward += amt;
-					aim_depth += aim * amt;
-				}
-				if (op == "down") {
-					depth += amt;
-					aim += amt;
-				}
-				if (op == "up") {
-					depth -= amt;
-					aim -= amt;
-				}
-			} 
-			command = "";
-		}
-		else command += c;
-		c = fgetc(f);
-	}
-
-	std::cout << "depth " << depth << ", "
-		<< "forward " << forward << ", "
-		<< "product " << depth * forward << std::endl;
-
-	std::cout << "using aim: depth " << aim_depth << ", "
-		<< "forward " << forward << ", "
-		<< "aim " << aim << ", "
-		<< "product " << aim_depth * forward << std::endl;
-
-	return 0;
-}
diff --git a/day02/day02_input.txt b/day02/day02_input.txt
deleted file mode 100644
index 7834464..0000000
--- a/day02/day02_input.txt
+++ /dev/null
@@ -1,1000 +0,0 @@
-forward 8
-forward 9
-forward 9
-down 3
-forward 9
-down 1
-down 7
-down 7
-down 4
-down 2
-down 6
-down 6
-down 2
-forward 6
-forward 6
-forward 2
-forward 2
-forward 7
-forward 6
-up 6
-up 8
-forward 5
-forward 4
-down 6
-forward 7
-down 5
-forward 5
-down 8
-down 8
-down 7
-forward 4
-down 2
-forward 7
-up 8
-forward 3
-down 2
-forward 1
-up 3
-forward 3
-up 1
-down 3
-up 7
-up 2
-down 4
-down 2
-forward 9
-forward 3
-down 8
-forward 5
-up 9
-up 4
-forward 9
-down 1
-forward 6
-down 3
-forward 8
-up 2
-forward 3
-up 7
-down 4
-forward 2
-forward 7
-forward 3
-down 1
-down 3
-up 5
-forward 6
-down 5
-down 4
-down 8
-down 2
-up 5
-forward 7
-up 8
-forward 2
-down 5
-forward 3
-up 1
-up 5
-down 8
-down 3
-forward 4
-forward 4
-forward 1
-up 8
-down 9
-forward 7
-forward 9
-down 5
-up 3
-down 9
-up 6
-forward 1
-forward 3
-forward 5
-down 5
-forward 6
-down 3
-down 8
-forward 3
-forward 5
-forward 7
-forward 6
-down 9
-down 5
-down 6
-down 5
-down 1
-down 8
-forward 3
-down 9
-down 5
-down 5
-forward 9
-forward 2
-down 7
-forward 9
-forward 9
-up 1
-forward 3
-up 9
-forward 5
-forward 7
-down 7
-forward 2
-up 8
-up 6
-down 7
-down 3
-down 5
-down 2
-forward 6
-forward 6
-up 6
-up 2
-forward 4
-forward 7
-forward 1
-down 4
-up 8
-down 3
-up 1
-down 2
-forward 4
-forward 7
-up 1
-down 7
-forward 8
-up 2
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-up 4
-up 4
-up 2
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-down 6
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-down 1
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-down 6
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diff --git a/day02/makefile b/day02/makefile
deleted file mode 100644
index 61ca2f4..0000000
--- a/day02/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day02.cpp:
-	g++ -std=c++20 -o day02 day02.cpp
diff --git a/day03/day03 b/day03/day03
deleted file mode 100755
index ccb1732..0000000
Binary files a/day03/day03 and /dev/null differ
diff --git a/day03/day03.cpp b/day03/day03.cpp
deleted file mode 100644
index 036cd07..0000000
--- a/day03/day03.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <string>
-#include <vector>
-
-int bin_to_dec (std::string bin) {
-	int dec = 0, pow = 1;
-	for (std::size_t i=bin.size(); i > 0; i--) {
-		dec += pow * (bin[i-1] == '0' ? 0 : 1);
-		pow *= 2;
-	}
-	return dec;
-}
-
-std::vector<int> get_freq (std::vector<std::string> bits) { 
-	std::vector<int> freq;
-	for (std::size_t i=0; i<bits[0].size(); i++) {
-		freq.push_back(0);
-	}
-
-	for (auto b : bits) {
-		for (std::size_t i=0; i< b.size(); i++) {
-		 	freq[i] += (b[i] == '0' ? 0 : 1)*2-1;
-		}
-	}
-	return freq;
-}
-
-std::vector<std::string> filter (std::vector<std::string> bits, int inv, int sel) {
-	std::vector<std::string> res;
-	auto freq = get_freq(bits);
-
-	for (auto b : bits) {
-		int f = freq[sel] * inv;
-		if (f == 0) f += inv;
-		if ((f > 0 ? '0' : '1') == b[sel]) {
-			res.push_back(b);
-		}
-	}
-
-	return res;
-}
-
-int main (int argc, char *argv[]) {
-	if (argc != 2) return 1;
-
-	std::string raw;
-	std::getline(std::ifstream(argv[1]), raw, '\0');
-
-	std::vector<std::string> bits;	
-
-	while (1) {
-		auto token = raw.find("\n");
-		if (token != std::string::npos) {
-			bits.push_back(raw.substr(0, token));
-			raw = raw.substr(token+1);
-		} else {
-			if (raw.size() > 0) bits.push_back(raw);
-			break;
-		}
-	}
-
-	auto freq = get_freq(bits);
-
-	std::string gamma = "", epsilon = "";
-	for (std::size_t i=0; i<freq.size(); i++) {
-		gamma += freq[i] > 0 ? "1" : "0";
-		epsilon += freq[i] > 0 ? "0" : "1";
-	}
-
-	int g = bin_to_dec(gamma);
-	int e = bin_to_dec(epsilon);
-	std::cout << "power level " << e*g << ", "
-   		<< "epsilon " << e << " (" << epsilon << "), "
-		<< "gamma " << g << " (" << gamma << ")" << std::endl;
-
-	std::vector<std::string> o2 = bits;
-	for (std::size_t i=0; i<freq.size(); i++) {
-		o2 = filter(o2, 1, i);
-		if (o2.size() == 1) break;
-	}
-
-	std::vector<std::string> co2 = bits;
-	for (std::size_t i=0; i<freq.size(); i++) {
-		co2 = filter(co2, -1, i);
-		if (co2.size() == 1) break;
-	}
-
-	int generator = bin_to_dec(o2[0]);
-	int scrubber = bin_to_dec(co2[0]);
-	std::cout << "oxigen generator rating " << scrubber*generator << ", "
-   		<< "epsilon " << generator << " (" << o2[0] << "), "
-		<< "gamma " << scrubber << " (" << co2[0] << ")" << std::endl;
-
-	return 0;
-}
diff --git a/day03/day03_input.txt b/day03/day03_input.txt
deleted file mode 100644
index ac22a69..0000000
--- a/day03/day03_input.txt
+++ /dev/null
@@ -1,1000 +0,0 @@
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diff --git a/day03/day03_input_ez.txt b/day03/day03_input_ez.txt
deleted file mode 100644
index a6366a8..0000000
--- a/day03/day03_input_ez.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-00100
-11110
-10110
-10111
-10101
-01111
-00111
-11100
-10000
-11001
-00010
-01010
diff --git a/day03/makefile b/day03/makefile
deleted file mode 100644
index 7c21cf0..0000000
--- a/day03/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day03.cpp:
-	g++ -std=c++20 -o day03 day03.cpp
diff --git a/day04/day04 b/day04/day04
deleted file mode 100755
index b28d295..0000000
Binary files a/day04/day04 and /dev/null differ
diff --git a/day04/day04.cpp b/day04/day04.cpp
deleted file mode 100644
index 7736eff..0000000
--- a/day04/day04.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <vector>
-
-void split (std::vector<std::string> &vec, std::string str, std::string del) {
-	auto token = str.find(del);
-	if (token != std::string::npos) {
-		vec.push_back(str.substr(0, token));
-		split(vec, str.substr(token+del.size()), del);
-	} else { vec.push_back(str); }
-}
-
-class Board {
-	public:
-	Board(std::string repr) { 
-		std::vector<std::string> lines;
-		split(lines, repr, "\n");
-		for (auto line : lines) {
-			std::vector<std::string> strcells;
-			split(strcells, line, " ");
-			size = 0;
-			for (auto strcell : strcells) {
-				if (strcell.size() == 0) continue;
-				cells.push_back(std::stoi(strcell));
-				state.push_back(0);
-				size++;
-			}
-		}
-
-	}
-
-	int size;
-	std::vector<int> cells;
-	std::vector<int> state;
-
-	void mark (int ex) {
-		for (int y=0; y<size; y++) {
-			for (int x=0; x<size; x++) {
-				int i = x + y*size;
-				if (cells[i] == ex) {
-					state[i] = 1;
-				}
-			}
-		}
-	}
-
-	bool win () {
-		for (int y=0; y<size; y++) {
-			int sum_row = 0;
-			for (int x=0; x<size; x++) {
-				int i = x + y*size;
-				sum_row += state[i];
-			}
-			if (sum_row == size) return true;
-		}
-		for (int x=0; x<size; x++) {
-			int sum_col = 0;
-			for (int y=0; y<size; y++) {
-				int i = x + y*size;
-				sum_col += state[i];
-			}
-			if (sum_col == size) return true;
-		}
-		return false;
-	}
-
-	int score () {
-		int sum = 0;
-		for (int y=0; y<size; y++) {
-			for (int x=0; x<size; x++) {
-				int i = x + y*size;
-				if (state[i] == 0) {
-					sum += cells[i];
-				}
-			}
-		}
-		return sum;
-	}
-};
-
-int main (int argc, char *argv[]) {
-	if (argc != 2) return 1;
-	std::string raw;
-	std::getline(std::ifstream(argv[1]), raw, '\0');
-
-	std::vector<int> extract;
-	auto token = raw.find("\n");
-	if (token != std::string::npos) {
-		std::string ex = raw.substr(0, token);
-		std::vector<std::string> vec;
-	   	split(vec, ex, ",");
-		for (auto v : vec) { extract.push_back(std::stoi(v)); }
-
-		raw = raw.substr(token+2);
-		if (raw[raw.size()-1] == '\n') raw = raw.substr(0, raw.size()-1); 
-	} else return 1;
-
-	std::vector<Board> boards;
-
-	std::vector<std::string> str_boards;
-	split(str_boards, raw, "\n\n");
-	for (auto s : str_boards) {
-		boards.emplace_back(s);
-	}
-
-	bool flag = false;
-	std::vector<Board> filtered = boards;
-	for (int ex : extract) {
-		std::cout << ex << " " << filtered.size() << std::endl;
-		std::vector<Board> next;
-		int size = filtered.size(), seen = 0;;
-		for (auto& board : filtered) {
-			board.mark(ex);
-			if (board.win() && filtered.size() != 1) {
-				if (!flag) {
-					std::cout << "first winner product: " << ex * board.score() << ", "
-						<< "ex: " << ex << ", score: " << board.score() << std::endl;
-					flag = true;
-				}
-			} else {
-				next.push_back(board);
-			}
-		}
-		if (next.size() == 1 && next[0].win()) {
-			int score = next[0].score();
-			std::cout << "last winner product: " << ex * score << ", "
-				<< "ex: " << ex << ", score: " << score << std::endl;
-			break;
-		}
-		filtered = next;
-	}
-
-	return 0;
-}
diff --git a/day04/day04_input.txt b/day04/day04_input.txt
deleted file mode 100644
index 033baa2..0000000
--- a/day04/day04_input.txt
+++ /dev/null
@@ -1,601 +0,0 @@
-38,54,68,93,72,12,33,8,98,88,21,91,53,61,26,36,18,80,73,47,3,5,55,92,67,52,25,40,56,95,9,62,30,31,85,65,14,2,78,75,15,39,87,27,58,42,60,32,41,83,51,77,10,66,70,4,37,6,89,23,16,49,48,63,94,97,86,64,74,82,7,0,11,71,44,43,50,69,45,81,20,28,46,79,90,34,35,96,99,59,1,76,22,24,17,57,13,19,84,29
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- 5 51 78 30  4
-36 12 10 32 82
-
-51 83 58 10 56
-28 18 43 99 14
- 3 57 30 49 88
-20 68 76 73 82
- 1 85 77 22 47
-
-50 12 11 97 83
-40 10 49 81 63
-43 15 91  3  2
-52 20 53 89 33
-42 94 59 78 46
-
-19 63 86 82  9
-69 13 27 88 37
-45 51 79 11  8
- 2 29 41 84 73
-76 24 78 96 38
-
-15 19 88 95 54
-28 94 96 27 26
- 8 82 68  6 71
-33  9 99 62 63
-38 83 41 14 79
-
-67 57  2 21 19
-11 79 74 45 95
-42 90 68 47 62
-80 61  1  0 39
-43 76 40 27 66
diff --git a/day04/day04_input_ez.txt b/day04/day04_input_ez.txt
deleted file mode 100644
index 669a51d..0000000
--- a/day04/day04_input_ez.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
-
-22 13 17 11  0
- 8  2 23  4 24
-21  9 14 16  7
- 6 10  3 18  5
- 1 12 20 15 19
-
- 3 15  0  2 22
- 9 18 13 17  5
-19  8  7 25 23
-20 11 10 24  4
-14 21 16 12  6
-
-14 21 17 24  4
-10 16 15  9 19
-18  8 23 26 20
-22 11 13  6  5
- 2  0 12  3  7
diff --git a/day04/makefile b/day04/makefile
deleted file mode 100644
index ef809af..0000000
--- a/day04/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day04.cpp:
-	g++ -std=c++20 -o day04 day04.cpp
diff --git a/day05/day05 b/day05/day05
deleted file mode 100755
index 78ac4fc..0000000
Binary files a/day05/day05 and /dev/null differ
diff --git a/day05/day05.cpp b/day05/day05.cpp
deleted file mode 100644
index 895dba0..0000000
--- a/day05/day05.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <string>
-#include <vector>
-#include <map>
-
-#include "../utils.h"
-
-class Line {
-	public:
-	Line (int a, int b, int c, int d) : a(a), b(b), c(c), d(d) { }
-	Line (std::string line) {
-		std::vector<std::string> parts, start, end;
-		split(parts, line, "->");
-		split(start, parts[0], ",");
-		split(end, parts[1], ",");
-		a = std::stoi(start[0]);
-		b = std::stoi(start[1]);
-		c = std::stoi(end[0]);
-		d = std::stoi(end[1]);
-		if (c-a == 0) xdir = 0;
-		else { xdir = (c-a) > 0 ? 1 : -1; }
-		if (d-b == 0) ydir = 0;
-		else { ydir = (d-b) > 0 ? 1 : -1; }
-	}
-	int a, b, c, d, xdir, ydir;
-
-	int length () { return abs(a-c) + abs(b-d); }
-
-	bool operator==(Line& oth) {
-		return a == oth.a && b == oth.b && c == oth.c && d == oth.d;
-	}
-};
-
-int main (int argc, char *argv[]) {
-	std::string raw;
-	std::getline(std::ifstream(argv[1]), raw, '\0');
-
-	std::vector<Line> lines;
-	std::vector<std::string> strlines;
-	split(strlines, raw, "\n");
-	for (auto strline : strlines) {
-		if (strline.size() == 0) continue;
-		Line line { strline };
-		if (line.xdir != 0 && line.ydir != 0 
-				&& std::stoi(argv[2]) == 0) continue;
-		lines.push_back(line);
-	}
-
-	int intersections = 0;
-	std::map<std::pair<int, int>, int> overlaps;
-	for (auto& line : lines) {
-		int dist = 0;
-		bool straight = true;
-		if (line.xdir != 0 && line.ydir != 0) straight = false;
-		for (int i=0; dist<line.length()+1; i++) {
-			std::pair pair { line.a + line.xdir*i, line.b + line.ydir*i };
-			if (overlaps.count(pair) == 0) overlaps[pair] = 1;
-			else {
-				if (overlaps[pair] == 1) intersections += 1;
-				overlaps[pair] += 1;
-			}
-			if (straight) dist ++;
-			else dist += 2;
-		}
-	}
-
-
-	int minx = 200;
-	int maxx = -200;
-	int miny = 200;
-	int maxy = -200;
-	for (auto& line : lines) {
-		minx = std::min(minx, std::min(line.a, line.c));
-		maxx = std::max(maxx, std::max(line.a, line.c));
-		miny = std::min(miny, std::min(line.b, line.d));
-		maxy = std::max(maxy, std::max(line.b, line.d));
-	}
-
-	std::cout << "bounds: " 
-		<< minx << " " << maxx << " "
-		<< miny << " " << maxx << std::endl;
-
-	/* visualizer
-	for (int y=miny; y<maxy+1; y++) {
-		for (int x=minx; x<maxx+1; x++) {
-			int amt = overlaps[std::make_pair(x, y)];
-			if (amt > 9) amt = 9;
-			if (amt > 0) std::cout << amt;
-			else std::cout << ".";
-
-		}
-		std::cout << std::endl;
-	}
-	*/
-
-	std::cout << "intersections: " << intersections << std::endl;
-
-	return 0;
-}
diff --git a/day05/day05_input.txt b/day05/day05_input.txt
deleted file mode 100644
index 58fb409..0000000
--- a/day05/day05_input.txt
+++ /dev/null
@@ -1,500 +0,0 @@
-682,519 -> 682,729
-852,131 -> 25,958
-303,481 -> 206,481
-199,682 -> 183,666
-363,190 -> 571,190
-930,290 -> 221,290
-364,627 -> 952,39
-234,309 -> 234,821
-130,864 -> 130,886
-462,347 -> 699,110
-375,969 -> 481,969
-989,859 -> 275,145
-221,748 -> 212,748
-870,173 -> 106,937
-604,33 -> 604,142
-780,35 -> 780,206
-636,808 -> 721,808
-944,989 -> 334,989
-477,113 -> 192,113
-879,265 -> 879,358
-754,974 -> 17,974
-10,989 -> 989,10
-337,320 -> 674,657
-225,96 -> 557,428
-129,354 -> 299,354
-717,695 -> 695,695
-94,255 -> 317,478
-90,87 -> 90,187
-77,942 -> 952,67
-804,315 -> 989,315
-619,470 -> 491,342
-466,90 -> 466,755
-840,121 -> 840,469
-638,127 -> 638,77
-844,40 -> 151,40
-653,987 -> 653,631
-195,583 -> 195,623
-88,985 -> 570,503
-921,897 -> 165,141
-230,27 -> 171,27
-737,771 -> 832,771
-563,365 -> 665,467
-942,940 -> 776,774
-12,903 -> 644,903
-308,390 -> 308,971
-572,943 -> 572,15
-104,389 -> 104,73
-346,721 -> 974,93
-30,53 -> 562,53
-804,682 -> 804,120
-952,45 -> 15,982
-475,456 -> 475,348
-409,247 -> 664,247
-345,18 -> 816,489
-571,158 -> 505,158
-59,195 -> 27,195
-230,681 -> 23,681
-258,711 -> 921,711
-658,112 -> 366,404
-842,220 -> 842,825
-815,744 -> 540,744
-192,314 -> 703,825
-869,573 -> 869,888
-603,268 -> 603,301
-816,668 -> 816,189
-148,606 -> 948,606
-117,461 -> 506,461
-986,955 -> 986,315
-131,250 -> 192,189
-988,148 -> 518,618
-682,900 -> 31,900
-652,839 -> 652,236
-466,812 -> 466,611
-881,346 -> 401,346
-229,639 -> 731,639
-104,476 -> 840,476
-10,988 -> 988,10
-29,15 -> 987,973
-825,348 -> 825,240
-989,989 -> 10,10
-430,796 -> 926,796
-49,293 -> 610,854
-325,288 -> 918,288
-625,309 -> 439,495
-536,150 -> 356,150
-834,558 -> 822,558
-315,408 -> 315,635
-257,973 -> 813,973
-713,52 -> 122,52
-323,970 -> 578,970
-447,49 -> 829,49
-941,709 -> 941,390
-148,323 -> 391,80
-23,171 -> 23,49
-475,265 -> 322,112
-506,407 -> 69,844
-567,284 -> 483,368
-114,745 -> 114,765
-392,252 -> 109,535
-65,188 -> 455,188
-732,779 -> 732,52
-233,214 -> 759,214
-232,969 -> 957,244
-20,669 -> 20,308
-49,972 -> 285,972
-501,383 -> 433,383
-918,15 -> 32,901
-255,268 -> 935,948
-757,588 -> 757,919
-530,803 -> 284,557
-688,926 -> 48,286
-331,245 -> 331,777
-448,544 -> 209,544
-10,970 -> 951,29
-233,11 -> 897,11
-145,392 -> 628,392
-935,971 -> 935,280
-169,632 -> 54,632
-155,244 -> 155,334
-56,284 -> 205,284
-553,428 -> 553,520
-977,176 -> 497,656
-323,339 -> 971,987
-616,355 -> 616,248
-72,660 -> 72,334
-644,822 -> 510,956
-356,841 -> 587,841
-413,468 -> 605,468
-85,22 -> 645,582
-924,850 -> 522,850
-448,45 -> 345,148
-102,566 -> 551,566
-80,39 -> 847,806
-936,436 -> 934,436
-53,24 -> 495,466
-234,173 -> 282,173
-145,680 -> 456,680
-960,759 -> 960,282
-984,814 -> 308,138
-398,808 -> 716,808
-509,536 -> 25,52
-289,777 -> 803,263
-766,892 -> 257,892
-301,733 -> 688,733
-24,109 -> 887,972
-180,32 -> 577,429
-985,801 -> 687,503
-901,582 -> 586,582
-50,56 -> 50,267
-344,373 -> 437,373
-542,133 -> 905,496
-420,624 -> 420,716
-645,106 -> 645,574
-356,37 -> 114,37
-324,919 -> 357,919
-126,797 -> 120,797
-288,689 -> 435,836
-93,915 -> 639,369
-106,391 -> 478,19
-277,501 -> 714,64
-253,277 -> 643,277
-568,972 -> 350,972
-213,235 -> 213,406
-595,888 -> 595,233
-577,63 -> 37,603
-649,732 -> 931,732
-469,892 -> 549,892
-953,895 -> 953,457
-222,213 -> 290,213
-841,800 -> 841,336
-685,143 -> 25,143
-441,127 -> 441,146
-646,586 -> 56,586
-698,122 -> 465,122
-641,502 -> 641,240
-111,91 -> 185,91
-927,755 -> 874,808
-108,151 -> 108,567
-309,453 -> 309,210
-890,657 -> 491,657
-404,244 -> 404,123
-939,28 -> 26,941
-596,970 -> 596,870
-489,556 -> 489,589
-607,621 -> 903,325
-912,284 -> 571,284
-921,702 -> 743,524
-719,36 -> 719,394
-100,905 -> 798,207
-316,260 -> 316,887
-799,940 -> 885,940
-835,287 -> 199,923
-422,760 -> 64,760
-727,113 -> 727,679
-733,56 -> 59,730
-141,399 -> 485,743
-769,629 -> 769,797
-62,486 -> 62,205
-192,332 -> 800,332
-15,931 -> 727,931
-854,915 -> 988,915
-349,610 -> 886,610
-72,110 -> 72,903
-955,110 -> 78,987
-591,553 -> 591,428
-708,467 -> 516,467
-397,589 -> 353,589
-930,336 -> 930,532
-639,50 -> 228,50
-472,17 -> 472,244
-420,825 -> 420,562
-203,197 -> 203,35
-984,964 -> 223,203
-944,269 -> 935,260
-933,119 -> 87,965
-696,290 -> 696,580
-925,960 -> 52,87
-451,470 -> 235,254
-562,71 -> 562,149
-405,126 -> 405,67
-356,424 -> 356,673
-859,649 -> 859,291
-210,651 -> 210,544
-403,783 -> 403,122
-672,87 -> 586,87
-409,668 -> 984,668
-917,352 -> 511,758
-395,953 -> 141,953
-152,795 -> 152,313
-839,344 -> 811,372
-114,649 -> 650,649
-60,517 -> 60,27
-448,392 -> 845,392
-33,849 -> 719,163
-151,988 -> 876,988
-805,556 -> 124,556
-361,538 -> 706,193
-974,941 -> 141,108
-271,813 -> 968,116
-500,697 -> 80,277
-586,731 -> 586,480
-128,147 -> 174,101
-882,681 -> 882,745
-531,730 -> 677,730
-989,11 -> 11,989
-74,332 -> 234,492
-360,326 -> 932,898
-136,288 -> 113,311
-666,645 -> 916,895
-977,478 -> 561,62
-20,83 -> 566,83
-331,942 -> 331,646
-180,291 -> 405,291
-637,763 -> 637,941
-120,138 -> 120,820
-951,24 -> 14,961
-204,304 -> 204,51
-84,168 -> 880,168
-955,145 -> 955,903
-437,427 -> 437,354
-875,67 -> 189,753
-46,767 -> 802,11
-52,59 -> 889,896
-926,56 -> 102,880
-500,30 -> 964,30
-329,488 -> 329,972
-63,11 -> 889,837
-707,168 -> 707,584
-580,10 -> 735,10
-105,620 -> 105,110
-187,531 -> 323,531
-82,947 -> 82,941
-737,199 -> 737,851
-612,650 -> 217,650
-971,15 -> 82,904
-16,590 -> 506,100
-950,877 -> 832,759
-570,470 -> 570,276
-213,411 -> 213,195
-670,755 -> 89,755
-906,963 -> 906,984
-458,463 -> 442,463
-956,969 -> 10,23
-87,215 -> 195,107
-819,454 -> 819,467
-594,793 -> 686,793
-395,724 -> 787,332
-315,461 -> 644,461
-448,247 -> 249,48
-620,302 -> 247,675
-607,134 -> 932,134
-312,776 -> 312,289
-850,942 -> 54,146
-31,538 -> 851,538
-729,126 -> 640,126
-702,199 -> 702,706
-402,783 -> 254,783
-110,59 -> 203,59
-27,10 -> 965,948
-747,261 -> 47,261
-628,742 -> 972,742
-712,742 -> 657,797
-877,871 -> 877,758
-665,313 -> 449,529
-498,157 -> 498,68
-870,922 -> 27,79
-856,697 -> 856,429
-447,271 -> 963,787
-495,302 -> 495,520
-526,47 -> 721,47
-826,179 -> 826,741
-565,461 -> 893,461
-512,328 -> 127,328
-487,920 -> 522,920
-614,452 -> 614,146
-331,574 -> 331,840
-985,79 -> 285,779
-812,320 -> 985,320
-118,69 -> 429,69
-644,525 -> 644,878
-271,132 -> 156,132
-955,782 -> 565,392
-630,939 -> 630,372
-51,203 -> 840,203
-202,490 -> 202,479
-579,868 -> 579,92
-979,336 -> 979,623
-843,865 -> 260,282
-685,872 -> 685,503
-721,193 -> 721,510
-908,661 -> 908,955
-19,950 -> 715,254
-233,730 -> 233,101
-922,954 -> 27,954
-399,444 -> 399,403
-380,712 -> 380,718
-238,264 -> 849,875
-458,577 -> 458,139
-418,244 -> 469,295
-460,375 -> 964,879
-276,445 -> 815,445
-463,910 -> 648,725
-26,384 -> 968,384
-955,385 -> 955,143
-942,775 -> 733,566
-425,326 -> 531,326
-364,545 -> 364,873
-182,759 -> 182,819
-390,757 -> 390,475
-217,417 -> 217,157
-669,286 -> 65,890
-257,11 -> 257,858
-557,397 -> 557,20
-888,946 -> 32,90
-971,938 -> 971,578
-874,248 -> 874,485
-87,268 -> 87,135
-756,679 -> 103,26
-771,250 -> 771,107
-320,711 -> 967,711
-293,219 -> 293,706
-103,565 -> 103,538
-388,256 -> 388,261
-468,953 -> 503,953
-424,142 -> 287,142
-24,930 -> 850,930
-316,167 -> 316,161
-481,421 -> 208,148
-938,926 -> 938,933
-701,653 -> 701,780
-536,390 -> 536,559
-40,954 -> 829,165
-404,985 -> 247,985
-94,628 -> 94,500
-441,637 -> 441,271
-766,946 -> 97,277
-428,363 -> 428,37
-542,694 -> 542,347
-11,16 -> 979,984
-938,651 -> 632,957
-779,127 -> 243,663
-636,294 -> 636,787
-533,744 -> 636,641
-521,950 -> 458,950
-988,12 -> 18,982
-954,621 -> 954,271
-638,951 -> 813,951
-822,911 -> 632,911
-714,849 -> 512,849
-696,88 -> 385,88
-65,451 -> 65,687
-976,973 -> 976,907
-368,489 -> 368,571
-358,831 -> 690,499
-436,704 -> 178,704
-690,619 -> 606,535
-96,701 -> 358,701
-885,562 -> 420,562
-581,480 -> 613,512
-44,970 -> 970,44
-216,796 -> 892,120
-72,623 -> 72,72
-896,283 -> 896,326
-794,195 -> 22,967
-134,326 -> 134,889
-420,141 -> 944,665
-941,194 -> 941,421
-940,525 -> 298,525
-653,300 -> 769,300
-227,424 -> 406,603
-275,850 -> 113,850
-648,850 -> 92,850
-638,389 -> 638,10
-379,404 -> 584,609
-833,931 -> 833,520
-772,286 -> 500,558
-372,262 -> 333,262
-689,18 -> 131,576
-687,499 -> 687,188
-344,499 -> 37,806
-778,496 -> 134,496
-938,87 -> 344,681
-788,401 -> 479,401
-828,903 -> 756,903
-423,625 -> 285,763
-218,489 -> 218,819
-488,384 -> 891,787
-817,532 -> 788,532
-512,27 -> 512,149
-369,794 -> 54,794
-534,590 -> 827,883
-84,310 -> 39,265
-357,545 -> 665,545
-539,807 -> 539,781
-378,683 -> 22,327
-71,909 -> 943,37
-740,552 -> 348,552
-698,315 -> 45,968
-516,835 -> 360,835
-629,141 -> 629,385
-695,908 -> 303,908
-795,707 -> 386,707
-211,397 -> 291,397
-64,620 -> 236,620
-97,638 -> 97,445
-46,103 -> 893,950
-468,122 -> 979,122
-810,486 -> 433,486
-532,899 -> 461,970
-232,60 -> 235,60
-549,708 -> 549,90
-294,978 -> 294,124
-865,406 -> 640,406
-755,305 -> 664,305
-12,989 -> 987,14
-275,249 -> 260,234
-502,783 -> 67,783
-863,938 -> 297,372
-516,961 -> 516,272
-67,510 -> 611,510
-980,951 -> 312,283
-325,512 -> 325,169
-142,429 -> 542,29
-273,964 -> 822,964
-370,217 -> 508,217
-131,131 -> 331,331
-734,824 -> 734,817
-75,89 -> 687,701
-155,255 -> 702,802
-577,395 -> 130,395
-684,94 -> 555,94
-393,881 -> 173,881
-894,750 -> 773,750
-380,269 -> 380,338
-427,36 -> 427,77
-637,107 -> 637,846
-53,437 -> 53,221
-128,979 -> 960,147
-838,211 -> 838,645
-898,39 -> 849,39
-862,495 -> 951,495
-754,406 -> 76,406
-951,960 -> 113,122
-830,125 -> 15,940
-190,117 -> 190,973
-192,956 -> 718,430
-895,162 -> 88,969
-135,196 -> 70,131
-578,642 -> 578,789
-713,268 -> 625,268
-938,719 -> 938,604
-30,863 -> 99,863
-844,309 -> 287,309
-131,837 -> 459,509
-61,206 -> 722,867
-95,974 -> 283,974
-746,672 -> 558,672
-552,32 -> 352,32
-21,637 -> 21,781
-945,847 -> 945,303
diff --git a/day05/day05_input_ez.txt b/day05/day05_input_ez.txt
deleted file mode 100644
index b258f68..0000000
--- a/day05/day05_input_ez.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-0,9 -> 5,9
-8,0 -> 0,8
-9,4 -> 3,4
-2,2 -> 2,1
-7,0 -> 7,4
-6,4 -> 2,0
-0,9 -> 2,9
-3,4 -> 1,4
-0,0 -> 8,8
-5,5 -> 8,2
diff --git a/day05/makefile b/day05/makefile
deleted file mode 100644
index a197e7d..0000000
--- a/day05/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day05.cpp:
-	g++ -std=c++20 -o day05 day05.cpp
diff --git a/day06/day06 b/day06/day06
deleted file mode 100755
index ccf553a..0000000
Binary files a/day06/day06 and /dev/null differ
diff --git a/day06/day06.cpp b/day06/day06.cpp
deleted file mode 100644
index 38d602b..0000000
--- a/day06/day06.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <string>
-#include <vector>
-
-#include "../utils.h"
-
-long sum (std::vector<long> vec) {
-	long s = 0; for (long v : vec) s += v; return s;
-}
-
-int main (int argc, char *argv[]) {
-	std::string raw;
-	std::getline(std::ifstream(argv[1]), raw, '\0');
-	std::vector<std::string> strfish;
-	split(strfish, raw, ",");
-	
-	std::vector<long> fish;
-	for (int i=0; i<9; i++) { fish.push_back(0); }
-	for (std::string str : strfish) fish[std::stoi(str)] += 1;
-
-	int days = 80;
-	if (argc > 2) days = std::stoi(std::string(argv[2]));
-	for (int i=0; i<days; i++) {
-		long born = fish[0];
-		fish[0] = 0;
-		for (int j=1; j<9; j++) {
-			fish[j-1] += fish[j];
-			fish[j] = 0;
-		}
-		fish[6] += born;
-		fish[8] = born;
-	
-		if (argc > 3 && std::string(argv[3]) == "-w") {	
-			std::cout << "day " << i+1 << "/" << days 
-				<< " current fish: " << sum(fish) << std::endl;
-		}
-		if (argc > 3 && std::string(argv[3]) == "-v") {	
-			std::cout << "day " << i+1 << ": ";
-			for (auto f : fish) std::cout << f << ",";
-			std::cout << std::endl;
-		}
-	}
-
-	std::cout << "fish: " << sum(fish) << std::endl;
-	return 0;
-}
diff --git a/day06/day06_input.txt b/day06/day06_input.txt
deleted file mode 100644
index 5b38bce..0000000
--- a/day06/day06_input.txt
+++ /dev/null
@@ -1 +0,0 @@
-4,1,1,4,1,1,1,1,1,1,1,1,3,4,1,1,1,3,1,3,1,1,1,1,1,1,1,1,1,3,1,3,1,1,1,5,1,2,1,1,5,3,4,2,1,1,4,1,1,5,1,1,5,5,1,1,5,2,1,4,1,2,1,4,5,4,1,1,1,1,3,1,1,1,4,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,5,1,1,2,1,1,1,1,1,1,1,2,4,4,1,1,3,1,3,2,4,3,1,1,1,1,1,2,1,1,1,1,2,5,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,4,1,5,1,3,1,1,1,1,1,5,1,1,1,3,1,2,1,2,1,3,4,5,1,1,1,1,1,1,5,1,1,1,1,1,1,1,1,3,1,1,3,1,1,4,1,1,1,1,1,2,1,1,1,1,3,2,1,1,1,4,2,1,1,1,4,1,1,2,3,1,4,1,5,1,1,1,2,1,5,3,3,3,1,5,3,1,1,1,1,1,1,1,1,4,5,3,1,1,5,1,1,1,4,1,1,5,1,2,3,4,2,1,5,2,1,2,5,1,1,1,1,4,1,2,1,1,1,2,5,1,1,5,1,1,1,3,2,4,1,3,1,1,2,1,5,1,3,4,4,2,2,1,1,1,1,5,1,5,2
diff --git a/day06/day06_input_ez.txt b/day06/day06_input_ez.txt
deleted file mode 100644
index 55129f1..0000000
--- a/day06/day06_input_ez.txt
+++ /dev/null
@@ -1 +0,0 @@
-3,4,3,1,2
diff --git a/day06/makefile b/day06/makefile
deleted file mode 100644
index 2bc132f..0000000
--- a/day06/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day06.cpp:
-	g++ -std=c++20 -o day06 day06.cpp
diff --git a/day07/day07 b/day07/day07
deleted file mode 100755
index 4cbc735..0000000
Binary files a/day07/day07 and /dev/null differ
diff --git a/day07/day07.cpp b/day07/day07.cpp
deleted file mode 100644
index f9bbd1a..0000000
--- a/day07/day07.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <string>
-#include <vector>
-
-#include "../utils.h"
-
-long sumdist (std::vector<int> pos, int pole, int inc) {
-	long sd = 0;
-	for (auto p : pos) { 
-		int n = abs(p-pole); 
-		if (inc == 1) n = (n * (n+1)) / 2;
-		sd += n;
-   	}
-	return sd;
-}
-
-int main (int argc, char *argv[]) {
-	std::string raw;
-	std::getline(std::ifstream(argv[1]), raw, '\0');
-	std::vector<std::string> vec;
-	split(vec, raw, ",");
-	std::vector<int> pos;
-	for (auto s : vec) pos.push_back(std::stoi(s));
-	
-	int minp = 10000, maxp = -10000;
-	for (auto p : pos) {
-		minp = std::min(minp, p);
-		maxp = std::max(maxp, p);
-	}
-	int inc = argc > 2 ? atoi(argv[2]) : 0;
-	long fuel = 100000000000;
-	for (int i=minp; i<maxp; i++) {
-		fuel = std::min(fuel, sumdist(pos, i, inc));
-	}
-	
-	std::cout << "fuel: " << fuel << std::endl;
-
-	return 0;
-}
diff --git a/day07/day07_input.txt b/day07/day07_input.txt
deleted file mode 100644
index 4ac01fd..0000000
--- a/day07/day07_input.txt
+++ /dev/null
@@ -1 +0,0 @@
-1101,1,29,67,1102,0,1,65,1008,65,35,66,1005,66,28,1,67,65,20,4,0,1001,65,1,65,1106,0,8,99,35,67,101,99,105,32,110,39,101,115,116,32,112,97,115,32,117,110,101,32,105,110,116,99,111,100,101,32,112,114,111,103,114,97,109,10,601,578,981,315,530,525,671,1501,616,214,724,1247,543,58,183,282,242,54,90,130,1788,360,1719,710,1165,1476,29,744,164,293,1360,274,47,119,16,387,134,547,72,48,77,416,863,39,65,144,500,678,430,160,1689,550,753,1478,480,56,583,85,206,93,335,990,174,276,1119,52,308,470,563,387,897,21,85,720,983,178,383,134,299,722,57,391,489,768,232,646,1312,1316,31,57,927,176,531,421,1162,369,934,7,172,237,340,169,261,1371,1351,1268,72,58,375,1570,1238,55,513,403,1462,141,263,419,1316,852,251,39,358,209,204,439,150,1667,344,205,1299,1226,992,967,536,1160,1503,1154,1323,486,1079,329,823,506,1252,387,28,69,649,296,233,62,219,344,464,1284,291,234,47,949,1126,935,1367,1450,1431,379,344,478,731,648,77,184,927,211,262,728,1093,381,140,239,332,1436,78,665,1486,601,1444,364,1057,753,488,127,1001,350,1016,357,638,309,40,333,136,655,779,821,414,275,140,149,185,445,1169,476,196,907,1570,193,161,43,204,1489,1125,1024,101,17,592,1378,338,1625,3,269,1568,254,803,25,776,109,52,291,1595,255,739,34,768,378,632,4,181,373,162,562,74,85,160,16,47,38,266,1610,9,7,1398,358,287,450,188,1390,37,98,80,685,1645,50,55,16,542,20,443,848,49,808,76,233,69,110,471,73,408,638,89,861,280,1062,75,314,808,237,96,401,57,48,1306,115,1164,1533,5,1032,1314,66,630,96,496,116,1558,438,13,182,1360,802,101,327,370,444,335,812,430,900,1259,1117,318,118,433,501,401,101,582,27,454,981,776,14,26,163,384,1652,87,788,474,588,155,845,207,33,200,622,840,1360,432,11,525,86,296,481,200,529,95,924,431,40,846,220,285,14,66,755,111,647,643,1201,81,483,555,125,426,1499,29,115,48,39,92,316,434,217,218,116,9,33,496,358,1106,736,1181,1153,117,20,1719,1113,1620,26,581,407,114,1559,6,1918,964,909,340,630,817,473,111,1485,434,262,1702,651,11,182,1043,1904,633,336,252,677,1238,637,1008,82,327,171,185,19,141,395,1209,53,798,836,1378,598,262,298,265,287,85,21,249,848,162,89,1050,108,34,41,25,291,918,28,1234,139,351,867,146,79,995,1173,635,24,31,81,214,1114,155,1256,159,206,586,426,452,650,1653,47,42,264,240,500,864,893,1308,1249,853,286,62,592,102,77,1082,91,120,625,211,978,319,655,200,152,86,396,52,308,1479,38,41,53,179,648,216,41,641,659,1556,226,1421,291,33,1461,1095,529,309,1100,314,1695,505,1200,150,946,53,124,139,1506,52,33,463,613,33,1264,386,678,563,564,318,273,912,60,31,150,1321,133,1333,302,1243,49,421,808,1399,555,195,611,268,39,1302,1154,92,664,117,92,124,332,561,1436,865,198,71,271,909,40,1185,664,251,422,306,122,814,158,1676,122,217,312,952,845,104,572,1796,392,651,176,714,44,757,111,56,489,333,738,369,304,1239,105,297,277,674,213,938,2,681,336,171,1252,166,88,489,273,260,565,231,319,1085,650,211,510,12,511,325,46,107,980,1136,16,95,308,935,514,469,20,44,209,345,467,1310,500,75,594,166,199,741,193,28,52,106,1437,366,575,1200,609,678,534,573,723,325,8,386,268,690,321,186,375,2,104,657,1341,601,175,0,745,146,508,180,426,811,7,215,300,86,25,372,233,900,276,1625,808,1941,510,234,813,131,334,58,783,992,236,244,174,609,1581,1767,204,187,208,1340,347,803,146,299,140,142,339,60,118,300,809,276,413,267,946,77,154,466,425,193,187,852,674,2,17,1006,1007,166,195,137,97,41,407,65,1072,20,789,311,1227,20,132,1536,995,194,506,635,115,1500,529,93,72,950,208,944,1177,476,207,1228,5,974,226,225,290,690,581,218,401,49,361,1408,242,254,24,313,441,635,126,513,994,299,1722,52,1123,44,1332,628,534,789,298,692,45,596,1583,77,15,38,1293,1181,1498,772,148,297,49,692,87,594,49,148,170,54,1079,7,468,847,336,421,34,1108,406,892,689,245,298,85,1187,1142,286,310,207,34,660,549,39,1172,97,1,750,47,0,77,1632,135,54,18,22,1292,230,1031,11,225,820,461,1208,108,1443,274,1134,41,287,166,274,1032,585,1491,75,549,1231,1314,443,212,395,386,698,58,644,395,81,905,366,233,716,656,799,643,1011,173,790,360,269,930,13,606,488,387,1206,51
diff --git a/day07/day07_input_ez.txt b/day07/day07_input_ez.txt
deleted file mode 100644
index 18bd32a..0000000
--- a/day07/day07_input_ez.txt
+++ /dev/null
@@ -1 +0,0 @@
-16,1,2,0,4,2,7,1,2,14
diff --git a/day07/makefile b/day07/makefile
deleted file mode 100644
index 2856268..0000000
--- a/day07/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day07.cpp:
-	g++ -std=c++20 -o day07 day07.cpp
diff --git a/day08/day08 b/day08/day08
deleted file mode 100755
index 7f591be..0000000
Binary files a/day08/day08 and /dev/null differ
diff --git a/day08/day08.cpp b/day08/day08.cpp
deleted file mode 100644
index 30b818b..0000000
--- a/day08/day08.cpp
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <iostream>
-#include <fstream>
-#include <vector>
-#include <string>
-
-#include "../utils.h"
-
-int distance (std::string a, std::string b) {
-	int d = 0;
-	for (auto k : b) {
-		if (a.find(k) == std::string::npos) d++;
-	} return d;
-}
-
-int map (std::vector<std::string> tries, std::string dig) {
-	if (dig.size() == 2) return 1;
-	if (dig.size() == 3) return 7;
-	if (dig.size() == 4) return 4;
-	if (dig.size() == 7) return 8;
-	if (dig.size() == 4) return 8;
-	
-	std::string one = *std::find_if(std::begin(tries), std::end(tries), 
-		[](std::string &str){ return str.size() == 2; });
-	std::string four = *std::find_if(std::begin(tries), std::end(tries), 
-		[](std::string &str){ return str.size() == 4; });
-	if (dig.size() == 5) {
-		if (distance(dig, one) == 0) return 3;
-		if (distance(dig, four) == 1) return 5;
-		return 2;
-	}
-	if (dig.size() == 6) {
-		if (distance(dig, one) == 1) return 6;
-		if (distance(dig, four) == 0) return 9;
-	}
-	return 0;
-}
-
-int main (int argc, char *argv[]) {
-	std::string raw;
-	std::getline(std::ifstream(argv[1]), raw, '\0');
-	std::vector<std::string> lines, parts;
-	split(lines, raw, "\n");
-
-	std::vector<int> count;
-	for (int i=0; i<8; i++) count.push_back(0);
-
-	int sum = 0;
-	for (auto line : lines) {
-		if (line.size() == 0) continue;
-		parts.clear();
-		split(parts, line, " | ");	
-
-		std::vector<std::string> tries, digits;
-		split(tries, parts[0], " ");
-		split(digits, parts[1], " ");
-
-		int i = 1000;
-		int num = 0;	
-		for (auto dig : digits) {
-			count[dig.size()]++;
-			num += i*map(tries, dig);
-			i/=10;
-		}
-		sum += num;
-	}
-
-	std::cout << "digits: " << count[2] + count[3] + count[4] + count[7] 
-		<< std::endl;
-	std::cout << "sum: " << sum << std::endl;
-
-	return 0;
-}
diff --git a/day08/day08_input.txt b/day08/day08_input.txt
deleted file mode 100644
index cf25f77..0000000
--- a/day08/day08_input.txt
+++ /dev/null
@@ -1,200 +0,0 @@
-bfdcga cgdfe egfda cbfeda ec efc gcfbd ebcg gdfbec adcgfeb | bgdfc ec dfgae gefcd
-cafgbd bc gfdbae eacfb cbf debaf cdgefba fecag fbcdae ecbd | cdfabg cb adgfcb bface
-afg daecgf aefbgdc fbge fg dabfg efabgd cbadge abcfd gbaed | acbdf egbda adbge fg
-cbeafg fadce cdeabfg gbdefc ged ebcgf bfgd dg ecdgf bgedac | fgdb afcbeg gcfeba edg
-efd aegdb efgdcb bafcd acef dfaeb ef fgbadec cadfgb bfecda | fedgcb begcfd def gfdbac
-badce gbcda gad fgdc acbgf cfbage gcfbad gd dbafeg afcbged | ebdfag dfcbag gd fdeagb
-gdbcaf da dcbeg cad edcbfg gdea baedc afbec baegdc gbfaedc | gbdcaf dbgec da gaed
-bedga agbefd dbgfca gcafdbe begcdf gdabf abegc deb ed adef | bgade gacbe ebd cbefdg
-eg edfcab gfde abedf fbgdea bgcad gefcba agbed ebg eafbcgd | ge fbdeca bdcfega cgadb
-dgbaecf fegbd de fbgade fde gecfb ebda dbgfa dfegca dfagbc | afcegd fgdabce de efgdac
-dgafe deafbg gdecbfa fgcad beagd gfbcae efa dbfe ef dcgeba | gafedb debacg ef dfbe
-gbadcf bcade efdgbac bcf acebf bf egcfa ebdf acbgde cdabfe | fbcea eafcg fcbea dcbafge
-dcfbge ecdabg gfbdae afecb cbg cbgae gacedbf gadc cg bedag | bgdae becga bdcgfe ebcgda
-bde eb cgbfade cdgbef beag gabdf dafeb cadfe agdfcb eadgfb | begfdc dfbcga abfdg edagbf
-dcbgea fced cgeaf cfaged gdeac dgbfca fc badgfce cfg egbfa | fbcdag feagb cdef fcg
-gfdbc adebcg cbg dfcaeb cg bcaefdg bdgfec bdagf dcfeb egcf | fbgda aedfcb cfgbde defgcb
-daf cagfeb adeg dcbef cdgbaf da efcag fbdegca ecafd dcaegf | da bgeafc bgdfac ecgdaf
-gfdaeb gfde agebf bgf fg bgcfad afbde fdaecb dbeacfg eabcg | gecab baedf eadfb gcbdfa
-bagcfed eafb acfgd cebdfg ead agbdef baedcg egfbd agefd ea | gacfd bgfed fgdae bfdeg
-cgfab adcfebg cgdef eabc feagbd ebcfg feb eb bdfcga gbcfae | defgc bdcafg fgdec cegbf
-cdfab gdf cfebg decbaf gd dcgbaf gcbfd cgad egdbaf badcfeg | gfcbd gd cbgfe ecbafd
-faebd ba efacgd baedcf adcef abf dcfbgae dbac gdbfe begcaf | dcab dafec fecadg ebdfa
-dfceab egbadcf ba fdcbg feba cgdfae dbegac abdfc cba ecfad | defacg dgbcf gbdcf efcdbga
-cadgb bedg fgaceb eacbgd egbac cefadg gd cafdb eabgdfc gad | afgdce adcgb gbacd adg
-acb adcgf adcfeb baedg cb becagd bfcadge abcdg ebgc gfdeba | gdafc acfdeb cb aebgd
-fabcgd fcdgae facde bcafeg da geda gcebadf befcd eagfc adf | cfage fgeac fgdbaec fgeac
-bafeg fabcdg efdgabc fgdbea gdae ae dgafb bae ebgcf fcadbe | begcf abgfe aegbf efbadc
-fdeca cadegbf gce bafdge abcdeg dcgb ebcfga cg deagb dagce | bdeag aebdgf gce dbage
-fcgbde cdgaebf dgbaef fed bade ed adfgb efdag fdabcg agefc | gfdab adbcfg gcfae dfagb
-ebdgfc febad adbfc fc bdfcea badfge cfb eafc acdgb egcfdba | acbgd bgfead dfabc fcea
-eb ebaf cbdgef gaedb afgebdc febdag dgefac agbcd beg deagf | dgfcea efabdg egabd geafd
-cedfba efgbd gfbdac gfaecd bfa gdfba bcag ab cgdfa begdafc | dfbace dfgeb eafcdbg dfcag
-cfdbge gdbefac dabf dgbcfa gacdf gebca fb agefdc bcgaf fbc | afbd gbcafed acgeb ebgfdc
-fgbec fbgcd fdbaceg gafedc bfacge fge eafb agbced cbgea fe | abgce fadegc ebacg fagecd
-bdgec bgecfa fcbed debfcg acebfd gcb adbecgf gb aegcd gbdf | ebgfdc geacbfd gcb gb
-fbea bdfcag dceabg egfcd edcfbga abdge af adf dfbage egfad | fa deacgb agfdbce ebdag
-abdecfg gbacf fdbcge gfd dg gdafbc adgb acfde fadgc fbeagc | dcgebf dacgf agfbc cdagbf
-agcefd ged bdfagc ed ebdgf fcdbge dgfbc abegf cdfegab debc | cagdfe ged cgdafb bafdcg
-cebgad fdgea abgf fdbcae af baedg dgfeba dfbagce edgfc fea | dabegcf agdbe afe acfedb
-agdfe fedbcga gfedbc agcbe edb db fdba edbgaf gedafc abdeg | cdgabfe afegbd fegbcd eafgd
-dea abgdfe edgfbac egdab de cadbef adfbg gbcea gfde dabgfc | cdafeb ed bafgde ed
-adgfb cdgefa ea fea bcdef cfagbd fgecabd febda agbe fgabed | cdefb gbea bdacfg dcbef
-cadbg ea fdgeab afcedg dae ebcfdga cdfge afec dbfgce ceagd | fbeacdg dgcab bgdca dae
-ecdbfg caebd fcgde fgda aefbcg afedc fcabegd aef gcdaef af | ecdfa bdecfg fea dgcfbea
-dbcagf afgec fcadb ead daefc dbcgae edfb cagbdfe fcdbae de | egdabc fdagbc cgafbd afdec
-dgfabe egdcbfa beacdg dbcfg aefc cdbaf fbadec fa aedbc fab | eacf bcdfg efca ecbad
-defbgc gbdef cg edgc egbadfc cbgef gafdeb gcf eacbf gbfdca | fbedg decg cgf egfcb
-cfdgae abdgf gbcd cfdaeb afebcgd cafgd bdf bcfgad db gefba | egfba decgfa abfeg eafdcg
-dfagb gdbface adefbc gbfae gae begc acebgf fdgeca ge cefba | cgefab dfgace fecagd beadfc
-fedacgb ed cabdfg bfgade dbaefc gdfba def gead bgcfe bdfeg | adcefb gdbaf egad caebdf
-agfbed ecfbg cdge cgb fcgbde ebcaf adfbcg dcegabf cg efdgb | bdfcga bfeadg ecgfb cg
-bec becfdag bgcaf eb debf adcef cefba fbcade acbged fcadge | edacfb fdeca fgabc cgafb
-bfcae gabc fegcdb adefgbc bcgfae gfb fbgea fdabec adgfe bg | dfcgeb fgbae fgb bedgfc
-afedcbg ed dfagc gefcd dec agbdec bfecg gfedca efad dfabcg | edaf dec begadc dfagbc
-cgebd befcadg ecg ec fcde dbfgc fgdabc becfga aegbd bfcged | cbgafd bcgfd fedc gfdbec
-dfabeg acfebd bgfcde begfd bcagd cdafgbe gabed aeb fgae ea | gbedf gdebfa bfegcd bgefd
-gdf dagec gf cfdbega cfdba edbcga ceadfg fcdag aegf cdbfge | eafg fgd dfg bdegcf
-bcfae fabge cdegabf cdae ebc dfcba ecbdfg ce dagcfb fbedca | fdagcb bcedfa fceabdg adce
-cgbaf ad fgcadeb cbfdae fbgdac bgda egdfc cefbag adc fcadg | cfdgbae adc ecafgb dgabfc
-bafdc cfb cf abcfged acdbge dbgca aefdb afcg afcdgb gbefdc | dabfc cagf efbcgd abecdgf
-de abgefdc fbed adbcgf gaecf eda aebdgf adbecg fegda bfagd | feagbd dbgfac ade adgfe
-gacefb faebcgd decfgb fa abdgfe afb fdbge dacbg adfgb edfa | dgbac abcgd gbadc adbgf
-fbadg fgbde fagebd agbcf gad gfcbed abde da cbdfaeg afegdc | ecfbdg agd efdgcba aefbdg
-cbdge gfecd cfe cafgd dbfe fe bgefdca gedfcb gebfac dgbcea | dgecb bagcfde gecbaf gacbef
-dfgecb agbfe dbeacf ebcdf cbad cadfbeg ca cfa abcef edfcga | afgdbce cabd fcbdae becaf
-abcd fbade befdcag da fecdag ecfdab bgfced bfedc dae gbaef | da ebfdc cabd cfedbg
-ecdab cfaged cbfd cfebad begda agbfce fecba cd acd fedcbga | cfdage daecb febca ebacf
-fcdageb beadf dag dacfbg bacge deabg dfcabe gdbaef degf gd | bafcdg dgafbc bdaef gd
-febcg cefbagd fegdbc bfeac ab gcba bfa fdbega cedfa cgfeab | eagbcf cbgef afb fcgbae
-egfac acbdge fadcbg bgcedfa bdcafe bf ecadb fdeb fecba bfc | fgdcabe dcbfga aegcf fbcadeg
-gcfebd acdgb faedcb gcdfb fd gdfe fcgbe fgacdeb baefcg dbf | cgfdb bgdcf gabcd edcbgf
-aced fbacg adbcf cd fbade cdb decfbg faegdcb gedabf ecdfba | bdfae fdgcbae fdbgec fdecgb
-gdbeac dfcaeb afbgecd dbcgf af fbacg cegbfa fba cagbe geaf | fgbdcae eabcg caebg afeg
-ebfda dgfbe ae fcbgead deafgc fdbac eaf gaeb ecdbgf ebfgad | baedf debgfca efcbdg ea
-dgcfe acbef cgaef fbdgace ecafbd gcebfa ga age gdfeba bgac | adfbce ga cegfa abcg
-abcgd facd fag eacfbg gafdb fa bgfacd dcgeba befgd efgacbd | bdcegfa gbdaf cbgda egabcfd
-bdefcga aecbg cgde agbed ecabfg dgb befda gcadbe gdbcfa dg | acgdeb dgb bfaed adbeg
-cefgb bde adgceb dafgebc aefd debgaf gfedb agfdb de cgdfba | defa edbgf afbdg bgfad
-fa caefg egcab fca gdbcea abef bceagdf dcfge acgfdb afbgec | abfe faebcg acgef geacf
-cbfed egacdb eabfgd gdbac deacgfb aeb eacdb gacfbd ea cage | dbegacf aecdbg cage dcgbae
-efgad agedcbf bcea ba ebdcfg efbcag bgaef gfabcd bga gfbce | fgdae ba fedgbc egfba
-dbcfa bcagd gdbfae cdfg fecab bcfadg dcbgae dfb fd bcadfeg | daegbc befca cbfae dbgcae
-egfa bcgdafe dcfea dcfeba cafgbd gf edgbc gfd egfdc edcgaf | gf dgafce fdg efcbda
-fgecd afgcde gfcadeb dbcg dcfbeg facbe gbf gfbec gdeafb gb | abdgfe cegdf bgf ecgfbad
-gdcbafe gaf agcfe bafc gfdcbe gbfdea cfegb gaedc gfbace fa | bfeacg acgfe bcaf gcade
-egbcf fgcea decbf dgabef gb fabedc fbecdag fgdbec bcdg beg | bgdfaec acgdbfe defbca fcdeb
-bdeafc cabegd acdbe fdba cfb bf edcfagb fecag cbafe bcfgde | bfda fdgaebc dbaec fb
-bc ebdcg agcfebd cadeg ecb fdbaec befgd cbdgfe gabfed bgfc | dagbef bcgdfe bgedaf gdace
-eb ebf gaedfc fagdb cabe fabecg bagef bdgafce cgdefb efcga | beacfgd efgbca efbgca ebfgac
-cagdf gdacef fcdbga cb gcadb bgc fcab dbfcage baged gbdecf | aefcdg cb agdfc bdgfec
-dfbaec abegdf daf edbgcaf bgfd eafgc gafed fd bedag gebdca | ecfgbda beafdgc facebd bdeag
-bfaegd dbecga fcadbg dcfg dabcg gf acbfe fgbca fga aegdfcb | cegbda ecabdgf egcafdb fgcd
-dbgcea agc aegbc fgceda abdfce cbdg begaf adbcefg cbade gc | dfecba gbedac cdfeab abecg
-cfdeab fgbec eadg bga ga dcebagf beadgc gaebc bgfdca bcead | bgaced bdeacg cbgea beacgdf
-bagfce ebcdfg fa cgade cfa bfcgeda ecbdf adfb fecbad efadc | ecdbf cfa bfceag bdfeac
-af egdaf aef eacdg fdgeca cafg cdgfabe baedgc edfbg acbdef | edfga decagb bdecfa dacfge
-dab gfbed bfdage ebdcgf baecg da dfacbeg eagbd beacfd gadf | egbda cbdfae cfadeb egabfd
-bcgfaed bfgade bd gfcda acgedb bacefg caebg cbed abdcg bdg | cebag fcebag dbcaeg gbd
-dgcfb begdf def fbaegd fegab ed cebagf cefdgab cebdfa gade | ebgdacf aefbgd de gfdbae
-ab abdf agbcde aegfb eafgc fgcdeb fbged bea bgafced efdbga | gbafe gbafed gaefdcb gdfbec
-eafbg abgdf eg aceg gabfce fge fcbedg ecfabd bafdceg caebf | cedbfa gbface eg fagbe
-face bfe adgfeb acebg cdbfg fe gacbdfe gcaedb cgebf cgaefb | aefc gdbcf gecab gfcbd
-agfecd fa gbfa fbdce gdfeacb dabfe fbadeg bgdaec begad afd | fda bdefc egadbf fa
-ab bfedcg gfdcb deacg abdfce gcabd adcgfb eabfcdg abc abgf | decga debfac fcbdg gecdbaf
-gfadcb dcgab abfgde fdcega acd adbgf cgdeb ac acfb befdcag | dbagf ca gdcfab gaebcdf
-efcagd dbcef bgda gbf dfaegb cfegab bfged bg agcfbde afegd | bfagce cefdb fgeda aegfcd
-cedafgb cbfeda bcegf gdbe gb fcgbad cedbgf gcaef bgf cefdb | ceagf dbfcge afdcbe ebdfgc
-cgfed acfge bdecaf fdag fecgad fedgbc bacge af efa afegcbd | cgadbef gbdecf fgced fa
-abegf fagcde ceb feabc ecfda cb acdb efcgdab cbgdfe ecadbf | eafcb ceb cadb bdeafc
-fbgae begd abcfegd bfeda efd eagfdb de fgaecb acgdef dacbf | dagfce adefb bdfac dfegab
-fd fed fgad dfecag gaedbfc gecafb bdceg cbdafe efcgd fcega | agfd dgaf gdafce eafcdb
-befagd dfeb bf caebdg ebgda egfcba bgf gcadf gafbd fabgdec | agdefb eagcfb edacbg badfg
-eagcd bdacgf gfeb fdgba be deb cefagdb afcdbe bdgae aegbfd | cfbgad dbage eb bgeadf
-eacbfg debgac dbfcage dc eagbc cda cabdfe dfgea bgdc adegc | becag efbacg caebg cdgae
-fed fcbagd acdebf gaef ef fgdec fecbagd dcegaf cbdeg agcfd | bdeacfg ef cadgf dcbeg
-efc becdag afedc edgaf fc badgcfe fcdbge adfcbe cafb eabdc | dfebca acbed fc efacd
-abfed dc fdcegb cgbfe cagfeb fdecb gbcadfe bgadcf gcde cdf | gecafb fbegdc febcdg cegafb
-feagc daecfbg gdca dg fgd fdgec cebdf eagcfb efcgda fbdeag | defagb aedbfg gfd faegbc
-cagdf ce bcegdf dbafeg cbeadf gbdaefc caeb cfe feadb efadc | ecba dcfae ec ce
-fgabd abgdc dbcae cfadge cag cbge cg ebcadg cgfdeba fcbeda | dgabce dacegf baecd cfabed
-efagc fdcgea geb bfdgec cgba fdcbgae adbfe bg bfcaeg fgeba | afegb daebf ceagdf agbc
-ecgfbad ceg deca gbfed bagfdc cegfba cabdg ec agcdbe bdegc | agbcd ecbdg bcadg dcagb
-aedbg bedca efbdag dgcb bfeac efgadc abegdc bfdegca cd edc | cbdae edcgfba ecd fdagbe
-cfeagbd cfab bgc fbgdae fgdce gfadb bc ecadgb bcdfga gdbcf | cbfa cbadgf bfcdg abcf
-edacg cdfbag fbeagdc cdgaef fc bagfe fac edabgc defc gcefa | dagcfb aegcf fc fegac
-gfdabc dbgaef agbe cegadfb bdgaf gedafc fbced ge gfe befdg | dfcbga adbfge bdfeg cfadge
-bcafge gbcd bc bfgdea cafdb fabdg acfdbg acefdgb acfde bfc | bfdac cbf fdabc edfca
-gdcab cegd ebdcfga egb eg afceb cdgbfa acbge gdebaf bgcdea | agbce fceab dagfbe acebg
-bagc cgf bacfd begfdc afdge bcagdf bcedfa cg becgafd dgfac | bdacf cfedab abcefd cafbd
-ca cag gbfdc cadfbg eafcdg afcb edgab dgcbef cbgad abfdgce | cdbga bacf fgdace dcfgb
-dcebf aefcbd gdcf fcbgde cbgef beacg gfebda gf fcdbgae feg | bfcadge cfbeg fg becgf
-dcabfeg fbc cfgba dfabgc becadg fc dgebcf cfad cbagd gbeaf | ecadbg degabc aecbgd cf
-cba efabd ebdcga cgeafbd cdabf fbce dbfcae bc cgdfa egbafd | abedf facdg ebcf cb
-db efdcag dabf cagfdbe caegb decba bfcdeg fcabed fedca bde | edfacb adefc dbe dbe
-fdabg efca bac ca fdacb becafdg fcdbe bcegad begdfc afbdce | gecdbf faec fadcb dbcaf
-eg egad egfbadc bdecf feg agfcbe decfag dfceg cfgda cfbadg | fcabdg gef eg fecadg
-fgad bgfde afe acebd dgfcbe af beadf ecabgf fbcedga abefgd | cbdegf edfab fegacb fa
-efcgb beacfg gbecfda bfac afg dbfgce bfgdea fagce caedg af | gcebf aedfbg eafcbg fabecgd
-bfdecga gaedfc ecga begcfd cfdab gbfade efa caedf ae defcg | daecf egca afcdeg caefd
-decab efa dagefbc dagbce fcadg abdegf fe eafdc ebcf dcfabe | ebcf fe ebcf fae
-begfd agedfc dabfce eadgf adf eacgfb afecbdg da feacg dcag | abcdfe daf debgf dbfeac
-gbdfca gbefca cba cb ebcfagd gbafd fdacb fdgeab bcdg cadef | afbdc efdgabc dbagf gfdab
-efdagb dae fcabedg caedb fdaecb ad ebdfc cdgfeb dfca eacbg | bedfgc fecdb edgfba cedfab
-cd afdc cdg cbdgaf eagbd gacfb befdcga bdacg cbeafg ecfbgd | bdgacf dcfbeg dacgbf dagcb
-begdaf gedbcfa dafc fea dfgce dgacfe gbedfc cfeag cbgea af | gecba agfbedc cbage egfdc
-dc fgcd baefcg afbgecd bgeda ced baedfc cdeag gdafec efgca | bacfge bgdae abegfc afgbced
-fc afcbgd bcf afebcgd bgdcf acdf bdfeg ecbagf cbdega adcgb | ceagbf befdcga edfagcb acdf
-dbcgf degc bfgad bcfed gcb fceabdg gbfcde gc fbdaec afgebc | fecbdag fadgecb afbdg dgecfb
-abcfg cfb eafgb bc cgbfda adfcge afdcg cfbgde cadb efgbcda | acgfb cb dfcag gdecfb
-cdefb cfga edcgbfa cab abfge acfbe ca bcgaed bcaefg bdegaf | dbfce gdfcaeb fedabg fbcea
-fgcae gafd eacdfgb baceg cadebf cfbged daefcg fge fg fceda | gceadbf dcbfage cafed ebacdf
-fabdceg abcgde acebdf cfaeb fa egfcb dbfa fac abecd agefcd | cfeab edcbag acf dcabefg
-dgbecfa abdfe acegd fdgabc gadef gfce ecbagd edagcf fg dfg | gdf fcegbda agcde fgd
-dagf bcdaef ad acd cbeag febagdc dgbfac dgcab fcdbge bdgcf | fdbeac gcbda bcfdg bfcgd
-fgdc gc gefdcab bdgec dbcefa gce bfgdec gcefab degab cebfd | bdfce gbecfd gadbe ebcadgf
-fagc bdcfag fdacb agbedf daf aedgbc dbcga ebdgcfa cbdfe fa | febdc cfag af cadbg
-bcd bfec dagbcf egcbfd bc edfgc bdecg edabg dcgeabf gdefca | bedag dbc fgcdbe ebdfcg
-gedafcb dbagcf bcadeg fc gfc cebf edgfc cgdbe bcfdge egdfa | fc dabgec bdcge ebfc
-gafbd ef becga ebgcaf agbef gfe gebcda gbfdce afce dbcgefa | ef gfe cabfeg gabecf
-deab fbedgc eb bdacg dagcfbe abecg cfdagb beg baedcg gacfe | gacdb dbfgace dbea cadbg
-badceg ced fecba fbdc adfec ebfcgad gecafb faedcb gfeda cd | fcead fbcaged adebgc ceabgd
-bd bdcg fgcab abd cfaebd baecgf fecbgad agdfb efdga gfdacb | afebcd bfadg egbfca cgbfea
-da decbf afdec begcad dcgefb gcafe edbfca dca fdab begdfca | efadc abdf ebcdfa fegac
-gcbeaf geadbc fdbeagc bfdec cdbae ea agfdcb dabcg eac adeg | gcdba cebdf abecd gedcab
-bcdae abedg ebg bfadec eg dbgaf egafcb gcadeb egdc abedfcg | dagfb ebg gebcaf eg
-afb abgfed caegfd cfbd becag dcbgfea bf decaf faecb bedfac | daegfb dbaefc gacedf bfa
-bgecf becfad ea adebgc cfdbgea dabcg eca eagd acbeg adfcgb | agdbc bagcd bgcda aedg
-bf fagcde cfdb acfgd gfdaeb acdfegb gfacb bfg bgeca bcgafd | gfb gfacd agfdeb abcge
-aegfd efcd bedfagc bacdgf gecadf aed egbdac fcagd ed afbeg | daefg dagfc acdbfg gbacfd
-decga efbcd badcgf cfgdbe agefcbd fa ebcdaf fcdea eafb fda | dcfea fad ebadgfc afedcb
-bf gebfcd bagfed bdagcfe cegbd fgbdc gfb ecgbad gdafc befc | fadbeg bcgde gbf bfg
-df cbfged fgbca fbd bcafge bdeac agbfecd adcbf gdaf dabgfc | bcdea cafbd afdg gacfb
-ecdbfa fadgce aceb fgebd bfcgad cdfae afgbced dfebc cfb cb | cfead fcb bc bedcf
-fdbega cfegd cdbgae cdfebga fecadb aeg cbag ag adceb dcage | ebcagd gcead egdfc dagecb
-cdbfeag gfdeba edfgca cead geadf gac fcbdg afgcd cabegf ca | fecgad gefda dafcg fdgca
-cfgbae cgefb egdbfc dcg dfcbg ecbgfda badcf gfed edcgba gd | gd cbefdg adbceg badcf
-bf bgf debfg bgade egbfcd cebdafg agdfce fgced dcbfag fcbe | adcgfe fdgeac fb ebfc
-gefdc fdagcb gfdac bdafce caf ac daegcbf febgda cbga dbafg | dagbf ac faedcgb dfagb
-ecfgadb dbgacf abfegc gd cefad fcgde cefdgb fcbge gdeb dgf | efacd bcegdaf bdgacf gd
-cdfgb bdf fdcag bd cdba gbecf dfecga cfgebda gdefab dcbagf | begfc bcgfd gfbce afbgcd
-fbe facb decgaf afdce fb bcdeaf bagdfe ecdbg dfbce bgedcfa | abdgfe eafdc efdbca acfgde
-bgdcf cbaegd eabfdcg ceg eg aedcb deabfc dgea gfcaeb gecdb | eacgdb ge daebcf eg
-egbdcaf gd cefabg dfge bcfagd afdegc caedg baecd gad caefg | gcedaf efgabc dag deagc
-cdabf bgcfde afedgc fcb gcba gfacd bdaef bdegfac cb bdfagc | bcf bcedfg gaecdf cdgeabf
-gf dcbfeg fcgdbea fge gedacb aefbg bgead gfad dfegba aebfc | aedgfb gf egf dfag
-gbeacfd gacbd dcgfbe fg fgd dbacge bdagcf dfcea gafb fgadc | deagcb gf degfbc edcgbaf
-ce gdbcae debcf cfdabe eacfbdg acef fgdbc begadf ecd afdbe | dbefa abegdc cbdfg acfbed
-begdfc gbdc gedaf dc edgfc cdf fgbec ecdafb ebgafc degcbfa | egdfa edgbfca cbefg fagcbe
-efcab dgbfc ag agdc cfagbde fbgeda fag acgdfb fcbga gbefcd | gacd gdac dcag gdac
-bdage bdaefg gbe eb edfb bgafec dgbecaf egadf fdaecg dbacg | geb afgdbe dfbegac efgcba
-ecgfa bec be ebfgc dgbcea adefgc egafbc egbafcd bafe gbfdc | aefb bce befa gfecab
-ebgdc cbe ecdgab gacb gfced dbgea edbcfa fagcdeb gabfde bc | dgfec aebdgf abcdfeg fbaedc
-daegbf adef dgcabe cafdgbe adcgfb dbegf ebgcf dbf ebadg fd | fcbge bgcef acfgdb efbgd
-cdbge cfe adbcef fedgcb gfebcda cedgf edagf gdbcae cf gcfb | cdbeg gcdfe fabgdce aecbfd
-beacg dafge gbeadc fcba bgdeafc begfa bf eabcfg ebgcdf bfg | gaefb bcfged degcab egdaf
-acgefbd feb bf cdaef beadf gbaed abgced gabdef abfg gbfedc | begfda efcda bfe dgacbe
-eacfgd fbdgce abfcge bcfea cafeg cagdbfe ebf debca bf fgba | fb fb acdbe cfdage
-bfec cedagf aef ef degba bagcef dgcfab fgeab fecdgba bacfg | cbgaef efacgd aegfb aef
-dbacfe edfc ec caebd agfebc cbe cbdag gfcbead bgfead bafde | deabc dfagbe cgbfea ec
-ed dfgbec dfabg fbaec feacbg edafb aedc eadfcgb ebdacf dbe | deac bgeafc cebfdg fcdegb
diff --git a/day08/day08_input_ez.txt b/day08/day08_input_ez.txt
deleted file mode 100644
index c9f629b..0000000
--- a/day08/day08_input_ez.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-be cfbegad cbdgef fgaecd cgeb fdcge agebfd fecdb fabcd edb | fdgacbe cefdb cefbgd gcbe
-edbfga begcd cbg gc gcadebf fbgde acbgfd abcde gfcbed gfec | fcgedb cgb dgebacf gc
-fgaebd cg bdaec gdafb agbcfd gdcbef bgcad gfac gcb cdgabef | cg cg fdcagb cbg
-fbegcd cbd adcefb dageb afcb bc aefdc ecdab fgdeca fcdbega | efabcd cedba gadfec cb
-aecbfdg fbg gf bafeg dbefa fcge gcbea fcaegb dgceab fcbdga | gecf egdcabf bgf bfgea
-fgeab ca afcebg bdacfeg cfaedg gcfdb baec bfadeg bafgc acf | gebdcfa ecba ca fadegcb
-dbcfg fgd bdegcaf fgec aegbdf ecdfab fbedc dacgb gdcebf gf | cefg dcbef fcge gbcadfe
-bdfegc cbegaf gecbf dfcage bdacg ed bedf ced adcbefg gebcd | ed bcgafe cdgba cbgef
-egadfb cdbfeg cegd fecab cgb gbdefca cg fgcdab egfdb bfceg | gbdfcae bgc cg cgb
-gcafb gcf dcaebfg ecagb gf abcdeg gaef cafbge fdbac fegbdc | fgae cfgab fg bagce
diff --git a/day08/makefile b/day08/makefile
deleted file mode 100644
index 5c81ee3..0000000
--- a/day08/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-all day08.cpp:
-	g++ -std=c++20 -o day08 day08.cpp
-- 
cgit v1.2.3-54-g00ecf