Cod sursa(job #1398829)
Utilizator | constantin teodor teoceltare | Data | 24 martie 2015 13:38:17 |
---|---|---|---|
Problema | Sum | Scor | 35 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.52 kb |
#include<iostream>
#include<fstream>
#include<math.h>
using namespace std;
ifstream fin("sum.in");
ofstream fout("sum.out");
int n,x;
int cmmdc(int a,int b)
{
if (!b) return a;
return cmmdc(b,a % b);
}
int main()
{
fin>>n;
for(int a1=1;a1<=n;a1++)
{
fin>>x;
long long s=0;
int nr1,nr2,rest;
for(int a2=1;a2<=x*2;a2++)
{
if(cmmdc(a2,x)==1)
{
s+=a2;
}
}
fout<<s<<'\n';
}
}