Cod sursa(job #1179791)
Utilizator | Data | 29 aprilie 2014 12:27:33 | |
---|---|---|---|
Problema | Sum | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.54 kb |
#include <fstream>
using namespace std;
ifstream f("sum.in");
ofstream g("sum.out");
long s,n,i,j,a[320],k,x,y,r;
int main()
{
f>>n;
for(i=1;i<=n;i++) f>>a[i];
for(i=1;i<=n;i++)
{ s=0;
for(j=1;j<=2*a[i];j++)
{
x=j;
y=a[i];
r=x%y;
while(r!=0)
{
x=y;
y=r;
r=x%y;
}
if(y==1) s=s+j;
}
g<<s;
g<<"\n";
}
return 0;
}