Cod sursa(job #973102)
| Utilizator | Data | 13 iulie 2013 14:36:38 | |
|---|---|---|---|
| Problema | Sum | Scor | 35 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.39 kb |
#include <cstdio>
using namespace std;
int y, r, n,s,i,x;
int cmmdc(int a,int b){
if (!b) return a;
return cmmdc(b,a % b);
}
int main() {
freopen("sum.in", "r",stdin);
freopen("sum.out", "w",stdout);
scanf ("%d", &n);
for (i=1; i<=n; i++){
s=1;
scanf ("%d", &x);
for (y=2; y<=2*x; y++){
if (cmmdc(y,x)==1) s+=y;
}
printf ("%d\n", s);
}
return 0;
}
