题意翻译

给定一个字符串询问能否听过删除一些字母使其变为“heidi”

如果可以输出“YES”，不然为“NO”

题目描述

As it‘s the first of April, Heidi is suspecting that the news she reads today are fake, and she does not want to look silly in front of all the contestants. She knows that a newspiece is fake if it contains heidi as a subsequence. Help Heidi assess whether the given piece is true, but please be discreet about it...

输入输出格式

The first and only line of input contains a single nonempty string ss of length at most 10001000 composed of lowercase letters (a-z).

Output YES if the string ss contains heidi as a subsequence and NO otherwise.

输入输出样例

abcheaibcdi

YES

hiedi

NO

说明

A string ss contains another string pp as a subsequence if it is possible to delete some characters from ss and obtain pp .

#include<queue>
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
char ch[1100];
queue<char> que;
int main() {
    que.push(‘h‘);que.push(‘e‘);que.push(‘i‘);
    que.push(‘d‘);que.push(‘i‘);cin>>ch;
    int len=strlen(ch);
    for(int i=0;i<len;i++)
        if(!que.empty())
            if(ch[i]==que.front())
                que.pop();
    if(que.empty())    cout<<"YES";
    else    cout<<"NO";
}