Cod sursa(job #768348)
| Utilizator |  Pop Claudiu micuhd |
Data | 16 iulie 2012 17:32:08 |
|---|---|---|---|
| Problema | Sum | Scor | 35 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("sum.in");
ofstream g("sum.out");
long long n,i,j,x,a,b,s,r;
int main()
{
f>>n;
for(i=1;i<=n;i++)
{
s=1;
f>>x;
for(j=2;j<=x*2;j++)
{
a=j;
b=x;
while(b!=0)
{
r=a%b;
a=b;
b=r;
}
if(a==1)
s=s+j;
}
g<<s<<"\n";
}
}