Cod sursa(job #1356990)
Utilizator | Data | 23 februarie 2015 18:09:54 | |
---|---|---|---|
Problema | Sum | Scor | 35 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream f("sum.in");
ofstream g("sum.out");
int n, x;
int64_t s;
int cmmdc(int a, int b)
{
if(!b) return a;
else return cmmdc(b,a%b);
}
int main()
{
f>>n;
for(int i=1;i<=n;i++)
{
f>>x; s=0;
for(int i=1;i<=2*x;i++)
if(cmmdc(i,x)==1) s+=i;
g<<s<<'\n';
}
return 0;
}