Cod sursa(job #1130594)
Utilizator | Data | 28 februarie 2014 14:13:56 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.41 kb |
#include<iostream>
#include<fstream>
using namespace std;
int n,i,j,q;
int cmmdc(int a,int b)
{
while(a!=b)
if(a>b)
a=a-b;
else b=b-a;
return a;
}
int main()
{
ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(cmmdc(i,j)==1)
q++;
g<<q;
return 0;
}