Cod sursa(job #113945)
Utilizator | Data | 11 decembrie 2007 22:20:44 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.36 kb |
#include<fstream.h>
ifstream f("fractii2.in");
ofstream g("fractii2.out");
int cmmdc(int a,int b)
{
while(a!=b)
if(a>b) a=a-b;
else b=b-a;
return a;
}
int main()
{
long int n,i,j,p=0;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(cmmdc(i,j)==1) p++;
g<<p;
f.close();
g.close();
}