Yuhao and a Parenthesis time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output One day, Yuhao came across a problem about checking if some bracket sequences are correct bracket sequences. A brack…
又回来了.. A - Gennady and a Card Game 好像没什么可说的了. #include<bits/stdc++.h> using namespace std; char gc() { static char buf[100000],*p1,*p2; return (p1==p2)&&(p2=(p1=buf)+fread(buf,1,100000,stdin))?EOF:*p1++; return getchar(); } template<class…
A. Gennady and a Card Game 签到. #include <bits/stdc++.h> using namespace std; ], t[]; bool solve() { int flag = false; ; i <= ; ++i) { scanf("%s", t); ] == s[] || t[] == s[]) flag = true; } return flag; } int main() { while (scanf("…
原题链接 http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1809 Description Bobo has a balanced parenthesis sequence P=p1 p2…pn of length n and q questions. The i-th question is whether P remains balanced after pai and pbi swapped. Note that questions ar…
1809: Parenthesis Description Bobo has a balanced parenthesis sequence P=p1 p2…pn of length n and q questions. The i-th question is whether P remains balanced after pai and pbi swapped. Note that questions are individual so that they have no affect…
Problem G: Parenthesis Time Limit: 5 Sec Memory Limit: 128 MBSubmit: 398 Solved: 75[Submit][Status][Web Board] Description Bobo has a balanced parenthesis sequence P=p1 p2…pn of length n and q questions. The i-th question is whether P remains balan…
31 Rikka with Parenthesis II (六花与括号II) Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Description 题目描述 As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to…
Parenthesis Problem Description: Bobo has a balanced parenthesis sequence P=p1 p2-pn of length n and q questions. The i-th question is whether P remains balanced after pai and pbi swapped. Note that questions are individual so that they have no affec…
Rikka with Parenthesis II 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5831 Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is one of them: Correct parenthe…
Traceback (most recent call last): File "androidmarket82.py", line 108, in <module> main() File "androidmarket82.py", line 54, in main pattern=re.compile('<label id="ctl00_AndroidMaster_Content_Apk_SoftVersion…
3300: [USACO2011 Feb]Best Parenthesis Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 89 Solved: 42[Submit][Status] Description Recently, the cows have been competing with strings of balanced parentheses and comparing them with each other to see who…
题目链接:hdu_5831_Rikka with Parenthesis II 题意: 给你一些括号的排列,必须交换一次,能不能将全部的括号匹配 题解: 模拟一下括号的匹配就行了,注意要特判只有一对括号是NO,因为必须要交换一次 #include <cstdio> #include <cstring> ; char s[N]; int st[N],top; int main() { int t; scanf("%d", &t); while (t--)…
Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must have a corresponding right parenthesi…
678. Valid Parenthesis String Medium Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must…
Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must have a corresponding right parenthesi…
Bobo has a balanced parenthesis sequence P=p 1 p 2…p n of length n and q questions. The i-th question is whether P remains balanced after p ai and p bi swapped. Note that questions are individual so that they have no affect on others. Parenthesis se…
Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must have a corresponding right parenthesi…
Rikka with Parenthesis II 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5831 Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is one of them: Correct parenthe…
题目链接:http://acm.csu.edu.cn/csuoj/problemset/problem?pid=1809 Bobo has a balanced parenthesis sequence P=p 1 p 2…p n of length n and q questions. The i-th question is whether P remains balanced after p ai and p bi swapped. Note that questions are ind…
冲鸭,去刷题:http://codeforces.com/contest/1153/problem/C C. Serval and Parenthesis Sequence time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Serval soon said goodbye to Japari kindergarten, and b…
Rikka with Parenthesis II Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situat…
原题链接在这里:https://leetcode.com/problems/valid-parenthesis-string/description/ 题目: Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by…
1809: Parenthesis Time Limit: 5 Sec Memory Limit: 128 Mb Submitted: 2291 Solved: 622 Description Bobo has a balanced parenthesis sequence P=p1 p2…pn of length n and q questions. The i-th question is whether P remains balanced after pai an…
1809: Parenthesis Submit Description Bobo has a balanced parenthesis sequence P=p1 p2…pn of length n and q questions. The i-th question is whether P remains balanced after pai and pbi swapped. Note that questions are individual so that they have no…
2016湖南省赛----G - Parenthesis (括号匹配) Bobo has a balanced parenthesis sequence P=p 1 p 2…p n of length n and q questions. The i-th question is whether P remains balanced after p ai and p bi swapped. Note that questions are individual so that they hav…
