Cod sursa(job #1127313)
Utilizator | Data | 27 februarie 2014 11:58:42 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.27 kb |
#include<iostream>
using namespace std;
int cmmdc (int a,int b)
{while(a!=b)
if(a>b)a=a-b;
else b=b-a;
return a;
}
int main()
{int n,i,j,k=0;
cin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(cmmdc(i,j)==1)k++;
cout<<k; }