LeetCode Weekly Contest 21是LeetCode举办的第二十六场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-21/
题解列表：
LeetCode 530. Minimum Absolute Difference in BST
LeetCode 523. Continuous Subarray Sum
档案日期2017的8
2017年2月20日 - 2017年2月26日
LeetCode Weekly Contest 21解题报告
[LeetCode]Minesweeper
作者是
发布于
在
LeetCode.
题目描述：
Let's play the minesweeper game (Wikipedia, online game)!
You are given a 2D char matrix representing the game board. 'M' represents an unrevealed mine, 'E' represents an unrevealed empty square, 'B' represents a revealed blank square ...
[LeetCode]Longest Word in Dictionary through Deleting
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 524. Longest Word in Dictionary through Deleting
Given a string and a string dictionary, find the longest string in the dictionary that can be formed by deleting some characters of the given string. If there are more than ...
[LeetCode]Continuous Subarray Sum
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 523. Continuous Subarray Sum
Given a list of non-negative numbers and a target integer k, write a function to check if the array has a continuous subarray of size at least 2 that sums up to the multiple ...
[LeetCode]Minimum Absolute Difference in BST
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 530. Minimum Absolute Difference in BST
Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes.
Example:
Input:
1
\
3
/
2
Output:
1
Explanation:
The minimum absolute difference is ...