Matthew Gretton-Dann
ceb89e10b7
Part two needs a tidy-up which will come in a bit. But this is how I got the correct answer.
32 lines
690 B
C++
32 lines
690 B
C++
//
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// Created by Matthew Gretton-Dann on 08/12/2021.
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//
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#include <iostream>
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#include <string>
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auto main() -> int
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{
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std::string line;
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unsigned count{0};
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while (std::getline(std::cin, line)) {
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line = line.substr(line.find('|') + 1);
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unsigned this_digit{0};
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for (auto c : line) {
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if (c == ' ') {
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if (this_digit == 2 || this_digit == 3 || this_digit == 4 || this_digit == 7) {
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++count;
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}
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this_digit = 0;
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}
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else {
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++this_digit;
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}
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}
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if (this_digit == 2 || this_digit == 3 || this_digit == 4 || this_digit == 7) {
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++count;
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}
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}
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std::cout << "Simple digits: " << count << '\n';
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return 0;
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} |