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Cod sursa(job #3360857)

Utilizator clara21Capac Clara Florentina clara21 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;
}