/******************************************************************************* * * 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 #include #include #include #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(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); } }