Cod sursa(job #1211214)
Utilizator | Cazan-Zarzalin Black00Viper | Data | 22 iulie 2014 09:45:05 |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.49 kb |
#include <fstream>
#include<iostream>
using namespace std;
int cmmdc (int a, int b)
{
int r;
r=a%b;
while(r!=0)
{
a=b;
b=r;
r=a%b;
}
return b;
}
int main()
{
ifstream in;in.open("fractii.in");
ofstream ou;ou.open("fractii.out",ofstream::out);
int n,flag;
in>>n;flag=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(cmmdc(i,j)==1)flag=flag+1;
ou<<flag;
in.close();ou.close();
return 0;
}