Cod sursa(job #187011)
| Utilizator |  Mihaescu Tiberiu Ioan the.phoenix |
Data | 29 aprilie 2008 19:58:54 |
|---|---|---|---|
| Problema | Fractii | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<fstream.h>
#include<stdio.h>
int main()
{FILE *f,*g;
f=fopen("fractii.in","r");
g=fopen("fractii.out","w");
long n,t=0,i,j,a,b,r;
fscanf(f,"%ld",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{a=i;
b=j;
while(b!=0)
{r=a%b;
a=b;
b=r;
}
if(a==1)
t++;
}
fprintf(g,"%ld",t);
return 0;
}