#include<iostream> #include<cstdio> using namespace std; int main(){ int banana = 5,apple =8,grape =12; printf("%.3lf\n",(banana+apple+grape)/3.0); cout<<"购买香蕉"<<39/banana<<"剩余"<<39%banana<<"元"<<endl; cout<<"购买苹果"<<39/apple<<"剩余"<<39%apple<<"元"<<endl; cout<<"购买葡萄"<<39/grape<<"剩余"<<39%grape<<"元"<<endl; return 0; }