Cod sursa(job #17681)
Utilizator | Fodor Stefan xtephan | Data | 16 februarie 2007 17:34:36 |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | c | Status | done |
Runda | Arhiva de probleme | Marime | 0.44 kb |
//16.02.2007
#include<stdio.h>
int ireductibil(int a, int b)
{
int d,m;
if(a>b) m=a;
else m=b;
for(d=2; d<=m/2; d++)
{if( (a%d==0) && (b%d==0) )
return 0;}
return 1;
}
int main()
{
int n,i,j,k=0;
FILE *f=fopen("fractii.in", "r");
FILE *g=fopen("fractii.out", "w");
fscanf(f, "%d", &n);
for(i=1; i<=n; i++)
{
for(j=1; j<=n; j++)
{if(ireductibil(i,j)) k++;}
}
fprintf(g, "%d", k);
fclose(f);
fclose(g);
printf("\n");
return 0;
}