Cod sursa(job #2202195)
Utilizator | Data | 7 mai 2018 20:05:57 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include <fstream>
using namespace std;
int main()
{
int n,i,j,numere=0;
fstream f("fractii.in");
ofstream o("fractii.out");
f>>n;
for(i=2;i<=n;i++)
{
for(j=3;j<=n;j++)
{
if(i>j && i%j!=0)
{
numere++;
}
else if (i<j && j%i!=0)
{
numere++;
}
}
}
o<<numere+n*2;
return 0;
}