题解，但变态作秀版（bushi

#include<bits/stdc++.h>
using namespace std;
struct n{
    enum Type{x,y};
    Type type;
    string str;
    int num;

    n(const string &s):type(x),str(s){}
    n(int n):type(y),num(n){}
};
int main(){
    vector<n> a;
    a.emplace_back("苹果");
    a.emplace_back("桃");
    a.emplace_back(123);
    a.emplace_back(89);
    a.emplace_back(9);
    a.emplace_back(34);
    
    a[1]=n("香蕉");
    int z=-1;
    for (size_t i=0;i<a.size();i++){
        if (a[i].type==n::y && a[i].num==123){
            z=i;
            break;
        }
    }

    cout<<"[";
    for(size_t i=0;i<a.size();i++){
        if(i!=0){
            cout<<", ";
        }
        if(a[i].type==n::x){
            cout<<"'"<<a[i].str<<"'";
        }else{
            cout<<a[i].num;
        }
    }
    cout<<"]\n";
    cout<<z<<endl;

    return 0;
}