34 lines
781 B
C++
34 lines
781 B
C++
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#include <algorithm>
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#include <numeric>
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#include <cstdlib>
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#include <cstdint>
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#include <iostream>
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#include <fstream>
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#include <iterator>
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#include <vector>
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#include <string>
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#include <aocpp/Startup.hpp>
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auto main(int argc, char** argv) -> int {
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auto fin = aocpp::Startup(argc, argv);
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std::vector<std::int64_t> input;
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std::copy(std::istream_iterator<std::int64_t>{fin},
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std::istream_iterator<std::int64_t>{},
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std::back_inserter(input));
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auto fuel = [](std::int64_t& x) { return x=x/3-2; };
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std::int64_t part1 = 0;
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std::int64_t part2 = 0;
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for (auto x : input) {
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part1 += fuel(x);
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for (; x > 0; fuel(x)) {
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part2 += x;
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}
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}
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std::cout << "Part 1: " << part1 << std::endl;
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std::cout << "Part 2: " << part2 << std::endl;
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}
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