Cod sursa(job #688239)
Utilizator | Data | 23 februarie 2012 12:31:55 | |
---|---|---|---|
Problema | Sum | Scor | 40 |
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 i,s,x,y,cmmdc,a,b,r,n;
int main()
{
f>>n;
for (i=1;i<=n;i++)
{
f>>x;
s=0;
for(y=1;y<=2*x;y++)
{
a=x;
b=y;
r=a%b;
while (r!=0)
{
a=b;
b=r;
r=a%b;
}
cmmdc=b;
if (cmmdc==1) s=s+y;
}
g<<s<<endl;
}
return 0;
f.close(); g.close();
}