Restructured project and updated day 3

2020/days/day6.cpp

@@ -0,0 +1,64 @@
+/*******************************************************************************
+ *
+ * Copyright (c) 2020 Gnarwhal
+ *
+ * -----------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files(the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *******************************************************************************/
+
+#include <vector>
+#include <string>
+#include <iostream>
+#include <fstream>
+
+#include "../misc/types.hpp"
+#include "../misc/print.hpp"
+
+auto day6() -> void {
+	{
+		auto line    = std::string();
+		auto file    = std::ifstream("inputs/day6.input");
+
+		auto answers = std::vector<u32>(26);
+
+		auto sum_1 = usize(0);
+
+		auto group_size = usize(0);
+		auto sum_2      = usize(0);
+		while (getline(file, line)) {
+			if (line == "") {
+				for (auto i = usize(0); i < answers.size(); ++i) {
+					sum_1 += (answers[i] > 0);
+					sum_2 += (answers[i] == group_size);
+					answers[i] = 0;
+				}
+				group_size = 0;
+			} else {
+				++group_size;
+				for (char c : line) {
+					++answers[c  - 'a'];
+				}
+			}
+		}
+		print(sum_1);
+		print(sum_2);
+	}
+}