You are given a stringsand an integerk, akduplicate removalconsists of choosingkadjacent and equal letters fromsand removing them, causing the left and the right side of the deleted substring to conc ...
2021-08-31 23:51 0 179 推薦指數：
Given a string S of lowercase letters, a duplicate removal consists of choosing two adjacent and equal letters, and removing them. We repeatedly ...
In a string composed of 'L', 'R', and 'X' characters, like "RXXLRXRXL", a move consists of either replacing one occurrence of "XL" with "LX ...
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only ...
Given a string and an integer k, you need to reverse the first k characters for every 2k characters counting from the start of the string ...
1: Example 2: 和之前那道 Remove Duplicates from Sorted L ...
這是小川的第389次更新，第419篇原創 01 看題和准備 今天介紹的是LeetCode算法題中Easy級別的第251題（順位題號是1047）。給定一個小寫字母的字符串S，重復刪除兩個相鄰且相等的字母。 我們在S上反復刪除，直到我們再也無法刪除。 在完成所有此類重復刪除后返回最后一個字符串 ...
Given an input string , reverse the string word by word. Example: Note: A word is defined as a sequence of non-space characters. ...
Find all the elements that appear twice in this array ...
