Cod sursa(job #661114)
Utilizator | Data | 13 ianuarie 2012 20:14:08 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<fstream>
using namespace std;
int main()
{long n;int a,b,c,i,j,r;
ifstream f("fractii.in");
ofstream h("fractii.out");
f>>n;
a=2*n-1;
i=1;j=1;
do
{i=i+1;
do
{j=j+1;
b=i;c=j;
do
{r=b%c;
b=c;c=r;}
while(r!=0);
}
while(j>n);
}
while(i>n);
if(b==1)
a=a+1;
h<<a;
f.close();h.close();return 0;}