#include <bits/stdc++.h> using namespace std; int main() { int n=0; cin >> n; int sum = 0; for (int i = 1; i <= n; i++) { if (i % 3 == 0 || i % 5 == 0) { sum += i; } } cout << sum << endl; return 0; }

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ID
687
Time
1000ms
Memory
256MiB
Difficulty
6
Tags
# Submissions
33
Accepted
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