题目描述：
LeetCode 794. Valid Tic-Tac-Toe State
A Tic-Tac-Toe board is given as a string array board. Return True if and only if it is possible to reach this board position during the course of a valid tic-tac-toe game.
The board ...
[LeetCode]Valid Tic-Tac-Toe State
LeetCode Weekly Contest 73解题报告
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LeetCode.
LeetCode Weekly Contest 73是LeetCode举办的第七十七场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-73/
题解列表：
LeetCode 789. Escape The Ghosts
[LeetCode]Domino and Tromino Tiling
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LeetCode.
题目描述：
LeetCode 790. Domino and Tromino Tiling
We have two types of tiles: a 2x1 domino shape, and an "L" tromino shape. These shapes may be rotated.
XX <- domino XX <- "L" tromino X
Given N, how many ways ...
[LeetCode]Custom Sort String
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LeetCode.
题目描述：
LeetCode 791. Custom Sort String
S and T are strings composed of lowercase letters. In S, no letter occurs more than once.
S was sorted in some custom order previously. We want to permute the characters of T so ...
[LeetCode]Escape The Ghosts
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LeetCode.
题目描述：
LeetCode 789. Escape The Ghosts
You are playing a simplified Pacman game. You start at the point (0, 0), and your destination is (target[0], target[1]). There are several ghosts on the map, the i-th ghost starts at (ghosts ...