Cod sursa(job #531196)
Utilizator | Data | 9 februarie 2011 09:32:01 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.27 kb |
#include<fstream>
using namespace std;
unsigned int N,i,nrf=0,d,p;
ifstream f("fractii.in");ofstream g("fractii.out");
int main(){
f>>N;
nrf=N;
for(i=2;i<=N;i++){
nrf++;
for(d=2;d<=N;d++){
if(i%d!=0 && d%i!=0)
nrf++;
}
}
g<<nrf;
return 0;
}