Cod sursa(job #585530)
Utilizator | Data | 29 aprilie 2011 23:10:19 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<fstream>
using namespace std;
int N,i,j;
long long sum;
int cmmdc(int a,int b){
if(!b) return a;
else return cmmdc(b,a%b);
}
int main(){
ifstream fin ("fractii.in");
ofstream fout ("fractii.out");
fin>>N;
for(i=1;i<=N;i++)
for(j=1;j<=N;j++)
if(cmmdc(i,j)==1)
sum++;
fin.close();
fout.close();
return 0;
}