# 归档 2017年3月12日

## LeetCode Weekly Contest 23解题报告 作者是 在线疯狂 发布于 2017年3月12日 在 LeetCode.

LeetCode Weekly Contest 23是LeetCode举办的第二十八场正式周赛，共4道题目，比赛时长1.5小时。

LeetCode 541. Reverse String II

LeetCode 539. Minimum Time Difference

LeetCode 536. Construct Binary Tree from String

LeetCode 527. Word Abbreviation

## 题目描述：

LeetCode 527. Word Abbreviation

Given an array of n distinct non-empty strings, you need to generate minimal possible abbreviations for every word following rules below.

1. Begin with the first character and then the number of characters abbreviated, which followed ...

## 题目描述：

LeetCode 536. Construct Binary Tree from String

You need to construct a binary tree from a string consisting of parenthesis and integers.

The whole input represents a binary tree. It contains an integer followed by zero, one or two ...

## 题目描述：

LeetCode 539. Minimum Time Difference

Given a list of 24-hour clock time points in "Hour:Minutes" format, find the minimum minutes difference between any two time points in the list.

Example 1:

```Input: ["23:59","00:00"]
Output: 1 ...```

## 题目描述：

LeetCode 541. Reverse String II

Given a string and an integer k, you need to reverse the first k characters for every 2k characters counting from the start of the string. If there are less than k characters left ...