Cod sursa(job #374859)
Utilizator | Botocan Bogdan Rengel | Data | 18 decembrie 2009 15:30:23 |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<fstream.h>
ifstream fin("fractii.in");
ofstream fout("fractii.out");
unsigned r,i,j,n,k,jw,iw;
int main(){
fin>>n;
k=0;
for(i=1;i<=n;i++){
iw=i;
for(j=1;j<=n;j++){
jw=j;
r=iw%jw;
while(r!=0){
iw=jw;
jw=r;
r=iw%jw;
}
if(jw==1) k++;
}
}
fout<<k;
return 0;
fin.close();
fout.close();
}