Cod sursa(job #2178981)
Utilizator | Data | 19 martie 2018 21:14:00 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.69 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int cmmdc(int a, int b)
{
if (b==0)
b=a;
else
return cmmdc(b,a%b);
}
int fractie(int n)
{
int nr=0,c,i=1,j=1;
while (i<=n)
{
while (j<=n)
{
if (i==1 && j==1)
nr++;
else
{
c=cmmdc(i,j);
if (i/c==i && j/c==j)
nr++;
}
j++;
}
i++;}
return nr;
}
int main()
{
int n;
while (f>>n)
g<<fractie(n)<<endl;
return 0;
}