LeetCode Weekly Contest 9是LeetCode举办的第八场正式周赛，共4道题目，比赛时长2.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-9/
题解列表：
LeetCode 422. Valid Word Square
LeetCode 423. Reconstruct Original Digits from English
归档 2016年10月16日
LeetCode Weekly Contest 9解题报告
[LeetCode]Word Squares
作者是
发布于
在
LeetCode.
题目描述：
Given a set of words (without duplicates), find all word squares you can build from them.
A sequence of words forms a valid word square if the kth row and column read the exact ...
[LeetCode]Longest Repeating Character Replacement
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 424. Longest Repeating Character Replacement
Given a string that consists of only uppercase English letters, you can replace any letter in the string with another letter at most k times. Find the length of a longest substring containing ...
[LeetCode]Reconstruct Original Digits from English
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 423. Reconstruct Original Digits from English
Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order.
Note:
- Input contains only lowercase English letters.
- Input is guaranteed to be valid and ...
[LeetCode]Valid Word Square
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 422. Valid Word Square
Given a sequence of words, check whether it forms a valid word square.
A sequence of words forms a valid word square if the kth row and column read the exact same string ...