Cod sursa(job #535282)
Utilizator | Mogoi Adrian nemo9955 | Data | 16 februarie 2011 22:43:50 |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.41 kb |
#include<iostream.h>
#include<fstream.h>
unsigned int n,i,j,a,b,s,r;
fstream f("fractii.in",ios::in);
fstream g("fractii.out",ios::out);
void main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i%j!=0||j%i!=0)
{
a=i;
b=j;
while(a!=b)
{
if(a>b)
a=a-b;
else
b=b-a;
}
if(b==1)
s++;
}
else
if(i==1||j==1)
s++;
g<<s;
f.close();
g.close();
}