leetcode 761. Special Binary String

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leetcode 761. Special Binary String

761. Special Binary String 题意: 一个符合以下两个要求的二进制串: \(1.串中包含的1和0的个数是相等的.\) \(2.二进制串的所有前缀中1的个数不少于0的个数\) 被称为特殊二进制串要求我们任意交换两个相邻的特殊二进制串(可以交换任意次)使得最终得到的序列的字典序最大,并且满足是特殊二进制串. 思路: 我们可以将1看作是上升,0是下降,那么可以这样然后我们可以找最外层符合要求的子串也就是最底部从水平线开始又降到水平线的段,可以发现找这样的串只要统计一个cnt…

【LeetCode】761. Special Binary String 解题报告（Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址: https://leetcode.com/problems/special-binary-string/description/ 题目描述: Special binary strings are binary strings with the following two properties: The number of 0's is equal to the number…

761. Special Binary String

Special binary strings are binary strings with the following two properties: The number of 0's is equal to the number of 1's. Every prefix of the binary string has at least as many 1's as 0's. Given a special string S, a move consists of choosing two…

[LeetCode] Special Binary String 特殊的二进制字符串

Special binary strings are binary strings with the following two properties: The number of 0's is equal to the number of 1's. Every prefix of the binary string has at least as many 1's as 0's. Given a special string S, a move consists of choosing two…

[Swift]LeetCode761. 特殊的二进制序列 | Special Binary String

Special binary strings are binary strings with the following two properties: The number of 0's is equal to the number of 1's. Every prefix of the binary string has at least as many 1's as 0's. Given a special string S, a move consists of choosing two…

【LeetCode】1023. Binary String With Substrings Representing 1 To N 解题报告（Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法日期题目地址:https://leetcode.com/problems/binary-string-with-substrings-representing-1-to-n/ 题目描述 Given a binary string S (a string consisting only of '0' and '1's) and a positive…

【leetcode】1023. Binary String With Substrings Representing 1 To N

题目如下: Given a binary string S (a string consisting only of '0' and '1's) and a positive integer N, return true if and only if for every integer X from 1 to N, the binary representation of X is a substring of S. Example 1: Input: S = "0110", N =…

#Leetcode# 1016. Binary String With Substrings Representing 1 To N

https://leetcode.com/problems/binary-string-with-substrings-representing-1-to-n/ Given a binary string S (a string consisting only of '0' and '1's) and a positive integer N, return true if and only if for every integer X from 1 to N, the binary repre…

(String) leetcode 67. Add Binary

Given two binary strings, return their sum (also a binary string). The input strings are both non-empty and contains only characters 1or 0. Example 1: Input: a = "11", b = "1" Output: "100" Example 2: Input: a = "1010&qu…

LeetCode 面试:Add Binary

1 题目 Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 接口 String addBinary(String a, String b) 2 思路处理二进制求和和进位.从低位开始,一直相加并且维护进位.和Add Two Numbers的区别是这个题目低位在后面,所以要从strin…

[Swift]LeetCode1016. 子串能表示从 1 到 N 数字的二进制串 | Binary String With Substrings Representing 1 To N

Given a binary string S (a string consisting only of '0' and '1's) and a positive integer N, return true if and only if for every integer X from 1 to N, the binary representation of X is a substring of S. Example 1: Input: S = "0110", N = 3 Outp…

LeetCode 67. Add Binary （二进制相加）

Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 题目标签:Math 题目给了我们两个string a 和 b,让我们把这两个二进制相加. 首先把两个string 的长度得到,然后从右向左取两个string 的 digit. 增设一个 carry = 0: 每一轮把 digit…

[LeetCode] 67. Add Binary 二进制数相加

Given two binary strings, return their sum (also a binary string). The input strings are both non-empty and contains only characters 1 or 0. Example 1: Input: a = "11", b = "1" Output: "100" Example 2: Input: a = "1010&q…

【leetcode】Add Binary

题目简述: Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Return "100". 解题思路: class Solution: # @param a, a string # @param b, a string # @return a string def addBinary(self, a, b)…

Binary String Matching

问题 B: Binary String Matching 时间限制: 3 Sec 内存限制: 128 MB提交: 4 解决: 2[提交][状态][讨论版] 题目描述 Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear as a substring of B? For example, the text…

NYOJ之Binary String Matching

Binary String Matching 时间限制:3000 ms | 内存限制:65535 KB 难度:3 描述 Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear as a substring of B? For example, the text string B is ‘10011…

ACM Binary String Matching

Binary String Matching 时间限制:3000 ms | 内存限制:65535 KB 难度:3 描述 Given two strings A and B, whose alphabet consist only ‘0’ and ‘1’. Your task is only to tell how many times does A appear as a substring of B? For example, the text string B is ‘1001110…

Java for LeetCode 067 Add Binary

Given two binary strings, return their sum (also a binary string). For example, a = "11" b = "1" Return "100". 解题思路: JAVA实现如下: static public String addBinary(String a, String b) { if (a.length() < b.length()) { String temp…

【LEETCODE OJ】Binary Tree Postorder Traversal

Problem Link: http://oj.leetcode.com/problems/binary-tree-postorder-traversal/ The post-order-traversal of a binary tree is a classic problem, the recursive way to solve it is really straightforward, the pseudo-code is as follows. RECURSIVE-POST-ORDE…