Cod sursa(job #256486)
| Utilizator |  Andrei Tudora Dj_Andrei |
Data | 11 februarie 2009 20:20:22 |
|---|---|---|---|
| Problema | Fractii | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<fstream.h>
ifstream f("fractii.in");
ofstream g("fractii.out");
int cmmdc (int a, int b){
while (a!=b)
if(a>b)
a=a-b;
else b=b-a;
return a;}
int k,n,i,j;
int main (){
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (cmmdc(i,j)==1)
k++;
g<<k;
f.close();
g.close();
return 0;}