查找之在线翻译

#include <iostream>
#include <memory.h>
#include <math.h>
#include <stdio.h>
#include <unordered_map>
#include <string>
#include <map>
using namespace std;
map <string,string> mymap;
int main()
{
    while(1)
    {
        string a,b;
        cin >> a >> b;
        mymap[b] = a;
        cin.get();//去掉行末的换行符
        if( cin.peek() == '\n' )//查看是否是空行
            break;
    }
    string temp;
    while( cin >> temp )
    {
        if( mymap.find( temp ) != mymap.end() )
        {
            cout << mymap[temp] <<endl;
        }
        else
            cout << "eh" <<endl;
    }
    return 0;
}