[LeetCode] 3258. Count Substrings That Satisfy K-Constraint I You are given a binary string s and an integer k.A binary string satisfies the k-constraint if either of the following conditions holds: The number of 0's in the string is at most k. The number of 1's in the string is...
日期 题目地址:https://leetcode-cn.com/problems/count-substrings-with-only-one-distinct-letter/ 题目描述 Given a string S, return the number of substrings that have only one distinct letter. Example 1: Input: S = "aaaba" Output: 8 Explanation: The substrings...
Explanation: There are 6 substrings that have equal number of consecutive 1’s and 0’s: “0011”, “01”, “1100”, “10”, “0011”, and “01”. Notice that some of these substrings repeat and are counted the number of times they occur. Also, “00110011” is not a valid substr...
Given a strings, returnthe number of substrings that have only one distinct letter. Example 1: Input: s = "aaaba" Output: 8 Explanation: The substrings with one distinct letter are "aaa", "aa", "a", "b". "aaa" occurs 1 time. "aa" occurs 2 times. "a" occurs 4 times. "b" ...
Given an integer arraynumsand an integerk, returnthe number ofgoodsubarrays ofnums. A subarrayarrisgoodif there areat leastkpairs of indices(i, j)such thati < jandarr[i] == arr[j]. Asubarrayis a contiguousnon-emptysequence of elements within an array. ...
696. Count Binary Substrings Given a binary strings, return the number of non-empty substrings that have the same number of0's and1's, and all the0's and all the1's in these substrings are grouped consecutively. Substrings that occur multiple times are counted the number of times ...
leetcode 696. Count Binary Substrings 原题: Give a string s, count the number of non-empty (contiguous) substrings that have the same number of 0's and 1's, and all the 0's and all the 1's in these substrings are grouped consecutively...696...
828. Count Unique Characters of All Substrings of a Given String # 题目 # Let’s define a function countUniqueChars(s) that returns the number of unique characters on s, for example if s = "LEETCODE" then "L", "T","C","O","D" are the unique characters
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A set of practice note, solution, complexity analysis and test bench to leetcode problem set - leetcode/CountSubArrayFixBound.drawio at b58bcceb0ea27d0756ad72fb6a64b3b547fae221 · brianchiang-tw/leetcode