hdu Word Amalgamation（map）

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1113

找单词

#include <iostream>
#include <string>
#include <map>
#include <algorithm>
using namespace std;
 
map<string, string> str;
string s, t;
 
int main()
{
    while(cin >> s && s != "XXXXXX")
    {
        t = s;
        sort(s.begin(), s.end());
        str[t] = s;
    }
    while(cin >> s && s != "XXXXXX")
    {
        bool flag = 0;
        t = s;
        sort(s.begin(), s.end());
        for(map<string, string>::iterator it=str.begin(); it!=str.end(); ++it)
            if(it->second == s)
            {
                cout << it->first << endl;
                flag = 1;
            }
        if(flag == 0)
            cout << "NOT A VALID WORD
";
        cout << "******
";
 
    }
}