Category: Brush questions

LeetCode 51.N Queen 0

LeetCode 51.N Queen

Hits: 0The n-queen problem studies how to place n queens on an n×n chessboard without the queens attacking each other. Given an integer n, return the solutions to all the different n queens problems....

Leetcode 36. Valid Sudoku 0

Leetcode 36. Valid Sudoku

Hits: 0topic: Please judge whether a 9 x 9 Sudoku is valid. It is only necessary to verify whether the numbers that have been filled in are valid according to the following rules. Numbers...

Leetcode 14. Longest Common Prefix 0

Leetcode 14. Longest Common Prefix

Hits: 0Write a function to find the longest common prefix in an array of strings. If no common prefix exists, the empty string “” is returned. Method 1: Of course, it is a violent...

Grammar Basics (Judgment Statements) 0

Grammar Basics (Judgment Statements)

Hits: 0 Author: Attack on the Siege Lion Personal homepage: [Welcome to my homepage] First release time: Sunday, August 7, 2022 Subscription column: Brush questions Personal creed: Starlight does not ask passers-by, years pay...