问题标题: 1744 自助查询机

#include<iostream>
using namespace std;

int main(){
    int n;
    cout<<"[1] apples"<<endl;
    cout<<"[2] pears"<<endl;
    cout<<"[3] oranges"<<endl;
    cout<<"[4] grapes"<<endl;
    cout<<"[0] Exit"<<endl;
    cin>>n;
    if(n==0) return 0;
    if(n==1) {
        cout<<"price=3.0"<<endl;
        return 0;
    }
    if(n==2) {
        cout<<"price=2.5"<<endl;
        return 0;
    }
    if(n==3) {
        cout<<"price=4.5"<<endl;
        return 0;
    }
    if(n==4) {
        cout<<"price=9.5"<<endl;
        return 0;
    }
    cout<<"0"<<endl;
    return 0;
}