貝爾摩德

1002. Find Common Characters Given a string array words, return an array of all characters that show

区间问题之前自己写的时候都做出来了，但是一到oa的时候就懵，已经以为这种问题挂了两次了。现在就先总结一下 452. Minimum Number of Arrows to Burst Balloons

2825. Make String a Subsequence Using Cyclic Increments You are given two 0-indexed strings str1 and

题单： https://leetcode.cn/problems/minimize-the-maximum-difference-of-pairs/solutions/2216315/er-fen-d

2055. Plates Between Candles There is a long table with a line of plates and candles arranged on top

egg drop是一道dp经典题 887. Super Egg Drop You are given k identical eggs and you have access to a buildin

新开一个summary 221. Maximal Square Given an m x n binary matrix filled with 0's and 1's, find the large

碰到那种单词题需要用trie 比如说211 211. Design Add and Search Words Data Structure Design a data structure that s

拓扑排序经典问题 - 课程表： 207. Course Schedule There are a total of numCourses courses you have to take, label