摘要： LeetCode 36 Valid Sudoku Question Determine if a Sudoku is valid, according to: "Sudoku Puzzles The Rules" . The Sudoku board could be partially fille 阅读全文

摘要： LeetCode 35 Search Insert Position Question Given a sorted array and a target value, return the index if the target is found. If not, return the index 阅读全文

摘要： LeetCode 34 Search for a Range Question Given an array of integers sorted in ascending order, find the starting and ending position of a given target 阅读全文