rm

1 files changed, 0 insertions, 134 deletions

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;
-}