#include<iostream> #include<cstdio> using namespace std; int main(){ int b=5,a=8,g=12,y=39; printf("%.3f",(b+a+g)/3.0); cout<<"买香蕉:"<<y/b<<"斤"<<"还剩余"<<y%b<<"元"<<endl; cout<<"买苹果:"<<y/a<<"斤"<<"还剩余"<<y%a<<"元"<<endl; cout<<"买葡萄:"<<y/g<<"斤"<<"还剩余"<<y%g<<"元"<<endl; return 0; }