Răspuns:
#include <iostream>
using namespace std;
int n, a, b, x,y,d,i;
float fmax, f;
int cmmdc(int m, int k)
{
int r=m%k;
while (r)
{
m=k; k=r;
r=m%k;
}
return k;
}
int main()
{
cin >> n;
cin >> a >> b;
d=cmmdc(a,b);
a=a/d;
b=b/d;
fmax=(float)a/b;
for (int i=2; i<=n; i++)
{
cin >> x >> y;
d=cmmdc(x,y);
x=x/d; y=y/d;
f=(float)x/y;
if (f>fmax)
{
a=x; b=y; fmax=f;
}
}
cout << a <<"/" << b;
return 0;
}
Explicație: