Cod sursa(job #705171)
Utilizator | Data | 3 martie 2012 16:16:56 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int cmmdc(int a,int b)
{while (a!=b)
if (a>b)
a-=b;
else
b-=a;
return a;}
int main()
{int nr=0,n,i,j;
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (cmmdc(i,j)==1)
nr++;
g<<nr;
f.close();
g.close();
return 0;}