（百例编程）43.分数比较

//分数比较  BY as1138
//20101-23

#include <iostream>
using namespace std;

int main(void)
{
 int a1,a2,b1,b2;
 cout<<"请输入第一个数的分子和分母："<<endl;
 cin>> a1>>a2;
 cout<<"请输入第二个数的分子和分母："<<endl;
 cin>>b1>>b2;
 if ((a1*b2) > (b1*a2))
 {
  cout<<a1<<"/"<<a2<<"大于"<<b1<<"/"<<b2<<endl;
 } 
 else if ( (a1*b2) == (b1*a2))
 {
        cout<<a1<<"/"<<a2<<"等于"<<b1<<"/"<<b2<<endl;
 }
 else
 {
        cout<<a1<<"/"<<a2<<"小于"<<b1<<"/"<<b2<<endl;
 }
 return 0;
}