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Cod sursa(job #673218)
#include<cstdio>
using namespace std;
long unsigned n,x,y,index,i,a,b,suma;
FILE *f1,*f2;
int main()
{
f1=freopen("sum.in","r",stdin);
scanf("%lu",&n);
f2=freopen("sum.out","w",stdout);
for(index=0;index<n;index++)
{
scanf("%lu",&x);
suma=1;
for(i=2;i<2*x;i++)
{
a=i;
b=x;
while(a!=b)
if(a>b)
a=a-b;
else
b=b-a;
if(a==1)
suma=suma+i;
}
printf("%lu\n",suma);
}
fclose (f1);
fclose (f2);
return 0;
}