Pagini recente » Cod sursa (job #3144899) | Cod sursa (job #3245337) | Cod sursa (job #3234228) | Cod sursa (job #2513182) | Cod sursa (job #1613132)
#include <stdio.h>
#include <stdlib.h>
long long e[100000];
void calcul(int n){
int p,j,i;
p=1;
for(i=2;i<=n;i++)
e[i]=i;
for(i=2;i<=n;i++)
if(e[i]==i)
for(j=i;j<=n;j+=i)
e[j]=e[j]/i*(i-1);
}
int main()
{
freopen("sum.in","r",stdin);
freopen("sum.out","w",stdout);
int n,i,k;
scanf("%d",&n);
calcul(100000);
for(i=0;i<n;i++){
scanf("%d",&k);
printf("%lld\n",e[k]*2*k);
}
return 0;
}