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Cod sursa(job #241662)
#include <iostream>
#include <fstream>
using namespace std;
int main() {
int n;
int p;
int q;
int nrfractii=0;
bool ireductibila;
int i;
int j;
int k;
int minim;
ifstream f;
ofstream g;
f.open("fractii.in");
g.open("fractii.out");
f>>n;
for(i=1; i<=n; i++) {
for(j=1; j<=n; j++) {
ireductibila=true;
if(i<=j) {
minim=i;
}
else {
minim=j;
}
if(i==1 || j==1) {
ireductibila=true;
}
else {
for(k=2; k<=minim; k++) {
if(i%k==0 && j%k==0) {
ireductibila=false;
}
}
}
if(ireductibila) {
nrfractii++;
}
}
}
g<<nrfractii;
f.close();
g.close();
return 0;
}