rm

1 files changed, 0 insertions, 96 deletions

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;
-}