摘要： 原题链接在这里：https://leetcode.com/problems/coloring-a-border/ 题目： Given a 2-dimensional grid of integers, each value in the grid represents the color of th 阅读全文

摘要： 原题链接在这里：https://leetcode.com/problems/design-tic-tac-toe/ 题目： Design a Tic-tac-toe game that is played between two players on a n x n grid. You may as 阅读全文

摘要： 原题链接在这里：https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons/ 题目： There are a number of spherical balloons spread in two-dimension 阅读全文