Cod sursa(job #117495)

Utilizator cipriancxFMI - gr143 Timofte Ciprian cipriancx Data 21 decembrie 2007 16:24:58
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream.h>
#include<iostream.h>
ifstream f("fractii.in");
ofstream g("fractii.out");



long n,i,j,k;
int d,l;


int main()
{
f>>n;
for(i=3; i<=n-1; i++)
for(j=i+1; j<=n; j++)
{d=0;
for(k=2; k<=i/2; k++)if(j%k==0 && i%k==0)d++;
if(d==0)l++;}
g<<2*l+2*n+1;

f.close(); g.close();















return 0;}