18 lines
308 B
C++
18 lines
308 B
C++
#include <iostream>
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int main() {
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int sum = 0;
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int num;
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std::cin >> num;
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if (num < 0) {
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std::cout << "You are a bad person!\n";
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return 0;
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}
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while (num != 0) {
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int digit = num % 10;
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num /= 10;
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sum += digit;
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}
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std::cout << sum << '\n';
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}
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