#include<iostream>using namespace std;class Fract{int n;int d;public:Fract():n(0),d(1){};Fract(int an,int ad):n(an),d(ad){reduce();}void reduce(){if(n<0){d=-d;n=-n;}if(d==0){cout<<"d==0!"<<endl;}int absn=n<0?-n:n;for(int i=d;i>1;i–){if(n%i==0&&d%i==0)n/=i,d/=i;break;}}void show(){cout<<n<<'/'<<d<<endl;}double value(){return (double)n/d;}};class Dai:public Fract{int i;public:Dai():i(0){}Dai(int ai,int an,int ad):i(ai),Fract(an,ad){}void show(){cout<<i<<'(';Fract::show();}double value(){return i+Fract::value();}};int main(){Dai d1;Dai d2(2,12,16);d1.show();cout<<"d1="<<d1.value()<<endl;d2.show();cout<<"d2="<<d2.value()<<endl;cout<<"================================="<<endl;Fract f1(12,16);Fract f2;f1.show();cout<<"f1="<<f1.value()<<endl;f2.show();cout<<"f2="<<f2.value()<<endl;}
，缘是浪漫的相遇，瞬间让你我的心化为永恒！
