16 lines
225 B
C++
16 lines
225 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int n;
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cin >> n;
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int sum = 0;
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while (n > 0) {
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sum += n % 10;
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n /= 10;
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}
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cout << sum << endl;
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return 0;
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}
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