Cod sursa(job #3360883)
| Utilizator | Data | 17 iulie 2026 14:43:30 | |
|---|---|---|---|
| Problema | Sum | Scor | 50 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.53 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");
int main(){
ios_base::sync_with_stdio(false);
fin.tie();
fout.tie();
int n, i, x, y;
long long sum;
fin >> n;
for (i = 0; i < n; i++){
fin >> x;
sum = 0;
y = 1;
while (y <= 2 * x){
if (__gcd(x, y) == 1)
sum += y;
y++;
}
fout << sum << '\n';
}
fin.close();
fout.close();
return 0;
}
