47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
//
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// Created by Matthew Gretton-Dann on 02/12/2022.
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//
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#include <algorithm>
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#include <cstdlib>
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#include <iostream>
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#include <map>
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#include <string>
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using Int = std::int64_t;
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auto main() -> int
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{
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std::string letters{" abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"};
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Int score{0};
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std::string line;
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Int state{0};
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std::string current;
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while (std::getline(std::cin, line)) {
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std::sort(line.begin(), line.end());
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if (state == 0) {
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current = line;
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++state;
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}
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else if (state == 1) {
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std::string r;
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std::set_intersection(current.begin(), current.end(), line.begin(), line.end(),
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std::back_inserter(r));
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current = r;
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++state;
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}
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else if (state == 2) {
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std::string r;
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std::set_intersection(current.begin(), current.end(), line.begin(), line.end(),
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std::back_inserter(r));
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state = 0;
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assert(!r.empty());
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score += letters.find(r[0]);
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}
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}
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assert(state == 0);
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std::cout << "Score: " << score << '\n';
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return EXIT_SUCCESS;
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}
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