Cod sursa(job #1178767)

Utilizator Marius7122FMI Ciltea Marian Marius7122 Data 27 aprilie 2014 10:45:23
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <stdio.h>
unsigned long n,i,nr,j;
int main()
{
    FILE *f1,*f2;
    f1=fopen("fractii.in","r");
    f2=fopen("fractii.out","w");
    fscanf(f1,"%lu",&n);
    nr+=2*n-3;
    for(i=2;i<=n;i++)
        for(j=2;j<=n;j++)
        if((i%j!=0)||(j%i!=0))nr++;
    fprintf(f2,"%lu",nr);
    return 0;
}