Cod sursa(job #382417)
| Utilizator | Data | 13 ianuarie 2010 17:46:55 | |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.31 kb |
#include<fstream.h>
ifstream fin("fractie.in");
ofstream fout("fractie.out");
long N,i,j,ci,cj,r,ok;
int main()
{
fin>>N;
ok=0;
for(i=1;i<=N;i++)
for(j=1;j<=N;j++)
{
ci=i;
cj=j;
do
{
r=ci%cj;
ci=cj;
cj=r;
}
while(r);
if(ci==1)
ok++;
}
fout<<ok;
}
