#include<iostream>
#include<map>
using namespace std;
int main()
{
//创建和初始
map<int,string>p={{1,"apple"}.{2,"banana"},{3,"orange"}};
//插入元素
p.insert({4,"qwq"});
//查找
cout<<p[2]<<endl;
//遍历
[1]
for(auto q:p)
{
int num=q.first;
int cnt=q.second;
if(num<cnt)ans+=cnt-num;
else if(num>cnt)ans+=cnt;
}
[2]
for(auto [x,y]: p)
{
if(y>x)ans+=y-x;
else if(y<x)ans+=y;
}
return 0;