Cod sursa(job #515525)
Utilizator | Gherzan Theodor telphan | Data | 21 decembrie 2010 17:43:05 |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.55 kb |
#include <iostream>
#include <fstream>
using namespace std;
fstream f("fractii.in",ios::in);
fstream g("fractii.out",ios::out);
int cmmdc(int m,int n)
{
if((m+n)%2!=0)
return 1;
if(m%3!=0 && n%3!=0)
return 1;
if(m%5!=0 && n%5!=0)
return 1;
if(m%7!=0 && n%7!=0)
return 1;
if(m%11!=0 && n%11!=0)
return 1;
return 1;
}
int main()
{
int n,cont=0;
f>>n;
for(int i=2;i<=n;i++)
for(int j=2;j<=n;j++)
{
if(i==j)continue;
if(cmmdc(i,j)==1)
cont++;
}
g<<cont+(2*n-1);
}