Mai intai trebuie sa te autentifici.
Cod sursa(job #204311)
| Utilizator | Data | 22 august 2008 18:15:42 | |
|---|---|---|---|
| Problema | Sum | Scor | 40 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.48 kb |
#include<stdio.h>
#include<math.h>
#define N 100007
void ciur(int v[N],int x){
int i,j;
for(i=2;i<=x;++i){
if(x%i==0)
for(j=i;j<2*x;j+=i)
++v[j];
}
}
int main(){
int n,x,i,j,z;
freopen("sum.in","r",stdin);
freopen("sum.out","w",stdout);
scanf("%d",&n);
for(i=0;i<n;++i){
scanf("%d",&x);
int v[N]={0},s=0;
ciur(v,x);
z=2*x;
for(j=1;j<z;++j)
if(!v[j])
s+=j;
printf("%d\n",s);
}
fclose(stdin);
fclose(stdout);
return 0;
}
