09 2021 档案
摘要：Given an array nums of positive integers, return the longest possible length of an array prefix of nums, such that it is possible to remove exactly on
阅读全文
摘要：A die simulator generates a random number from 1 to 6 for each roll. You introduced a constraint to the generator such that it cannot roll the number
阅读全文
摘要：When you try to debug C++ in Visual Studio Code on Mac, you might have the following error: Errors exist after running preLaunchTask 'C/C++: clang++ b
阅读全文
摘要：On an 8x8 chessboard, there can be multiple Black Queens and one White King. Given an array of integer coordinates queens that represents the position
阅读全文
摘要：Balanced strings are those that have an equal quantity of 'L' and 'R' characters. Given a balanced string s, split it in the maximum amount of balance
阅读全文
摘要：Given an integer n, your task is to count how many strings of length n can be formed under the following rules: Each character is a lower case vowel (
阅读全文
摘要：In a gold mine grid of size m x n, each cell in this mine has an integer representing the amount of gold in that cell, 0 if it is empty. Return the ma
阅读全文
摘要：When use the VsVim plugin in Visual Studio for Mac and type the closing part of a parenthesis, you might see ClosePair(')') pop up with awkward sound.
阅读全文
摘要：Given an integer array arr and an integer difference, return the length of the longest subsequence in arr which is an arithmetic sequence such that th
阅读全文
摘要：We have n chips, where the position of the ith chip is position[i]. We need to move all the chips to the same position. In one step, we can change the
阅读全文
摘要：In an n*n grid, there is a snake that spans 2 cells and starts moving from the top left corner at (0, 0) and (0, 1). The grid has empty cells represen
阅读全文
