Cod sursa(job #1046720)
Utilizator | Data | 3 decembrie 2013 13:27:44 | |
---|---|---|---|
Problema | Sum | Scor | 35 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.62 kb |
#include <fstream>
using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");
int main()
{
int i,n,x,y,a,b,r,j;
fin>>n;
for(i=1;i<=n;i++)
{
y=0;
fin>>x;
for(j=1;j<=2*x;j++)
{
a=x;b=j;
while(b!=0)
{
r=a%b;
a=b;
b=r;
}
if(a==1)
y+=j;
}
fout<<y<<"\n";
}
}