Cod sursa(job #218720)
| Utilizator | Data | 3 noiembrie 2008 11:05:29 | |
|---|---|---|---|
| Problema | Sum | Scor | 40 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.56 kb |
#include<stdio.h>
#define N 100005
void euler(int x,int v[N],int s){
int i,j;
for(i=2;i<=x;++i)
if(x%i==0)
for(j=i;j<2*x;j+=i)
if(!v[j]){
v[j]=1;
s+=j;
}
}
int main(){
int n,x,i;
freopen("sum.in","r",stdin);
freopen("sum.out","w",stdout);
scanf("%d",&n);
for(;n;--n){
scanf("%d",&x);
int v[N]={0},s=0,j;
v[1]=0;
for(i=2;i<=x;++i)
if(x%i==0)
for(j=i;j<2*x;j+=i)
if(!v[j]){
v[j]=1;
s+=j;
}
s=x*(2*x-1)-s;
printf("%d\n",s);
}
fclose(stdin);
fclose(stdout);
return 0;
}
