uva 11988 Broken keyboard

2024-03-24 08:32

文章标签 uva broken keyboard 11988

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原题：
You’re typing a long text with a broken keyboard. Well it’s not so badly broken. The only problem with the keyboard is that sometimes the “home” key or the “end” key gets automatically pressed (internally).You’re not aware of this issue, since you’re focusing on the text and did not even turn on the monitor! After you finished typing, you can see a text on the screen (if you turn on the monitor). In Chinese, we can call it Beiju. Your task is to find the Beiju text.
Input
There are several test cases. Each test case is a single line containing at least one and at most 100,000 letters, underscores and two special characters ‘[’ and ‘]’. ‘[’ means the “Home” key is pressed internally, and ‘]’ means the “End” key is pressed internally. The input is terminated by end-of-file (EOF).
Output
For each case, print the Beiju text on the screen.
Sample Input
This_is_a_[Beiju]_text
[[]][][]Happy_Birthday_to_Tsinghua_University
Sample Output
BeijuThis_is_a__text
Happy_Birthday_to_Tsinghua_University
中文：
给你一段文本，其中’[‘home键，也就跑到文本的头部，’]’代表end键，也就是跑到文本的尾部。
现在给你一段文本，问你把’[‘和’]’按照规定设置后，文本是什么样。

#include <bits/stdc++.h>
using namespace std;
list<string> ls;
string s;
int main()
{ios::sync_with_stdio(false);while(cin>>s){ls.clear();int i=0;string tmp;while(i!=s.size()){int flag=0;if(s[i]!='['){if(s[i]!=']')tmp+=s[i];i++;}else{ls.push_back(tmp);tmp.clear();i++;for(;s[i]!=']'&&i!=s.size();i++){if(s[i]=='[')break;tmp+=s[i];}ls.push_front(tmp);tmp.clear();}}ls.push_back(tmp);for(auto it=ls.begin();it!=ls.end();it++)cout<<*it;cout<<endl;}return 0;
}