Mai intai trebuie sa te autentifici.
Cod sursa(job #3360857)
| Utilizator | Data | 17 iulie 2026 14:10:40 | |
|---|---|---|---|
| Problema | Sum | Scor | 45 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.54 kb |
#include <fstream>
using namespace std;
ifstream cin("sum.in");
ofstream cout("sum.out");
int prime(int a, int b) {
int r ;
while(b > 0) {
r = a % b ;
a = b ;
b = r ;
}
return a ;
}
int main()
{
int n, x, sum ;
cin >> n ;
for(int i = 1 ; i <= n ; i++) {
cin >> x ;
sum = 0 ;
for(int i = 1 ; i <= 2 * x ; i++) {
if(prime(i,x) == 1) {
sum += i ;
}
}
cout << sum << endl ;
}
return 0;
}
