Cod sursa(job #722173)
Utilizator | Data | 24 martie 2012 15:45:05 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include <fstream>
using namespace std;
ifstream in("fractii.in");
ofstream out("fractii.out");
int main()
{int i,y,a,b,s=0,n;
in>>n;
for(i=1;i<=n;i++)
for(y=1;y<=n;y++)
{a=i;
b=y;
while(a!=b)
{if(a>b)
a=a-b;
if(b>a)
b=b-a;
}
if(a==1)
s=s+1;
}
out<<s;
}