http://acm.hdu.edu.cn/showproblem.php?pid=1020大水题一个疑惑释

http://acm.hdu.edu.cn/showproblem.php?pid=1020大水题一个不解释

#include<string>#include<cstdio>#include<map>#include<algorithm>#include<string.h>#include<cmath>#include<iostream>using namespace std;int main(){ int t; scanf("%d",&t); string str;  while(t--)  {	  map<char>M;       cin>>str;	for(int i=0;i<str.size char p="str[i];" int kk="0;" while str.size i-- if printf return><br><div class="clear">
                 
              
              
        
            </div></str.size></char></iostream></cmath></string.h></algorithm></map></cstdio></string>