Cod sursa(job #38984)

Utilizator n_lichkingSentes Norbert n_lichking Data 26 martie 2007 12:29:25
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 

#include<stdio.h>
long n;
long long nr;
FILE *f=fopen("fractii.in","r");
FILE *g=fopen("fractii.out","w");

void rez()
{
  long i,j;
 nr=0; 
  nr+=2*n-1;
 for(i=2;i<=n-1;i++)
 for(j=i+1;j<=n;j++)
  if(j%i!=0)
   nr+=2;
}

  


int main()
{ 
  fscanf(f,"%ld",&n);
   rez();
  fprintf(g,"%ld",nr);
 return 0;
}