# 档案日期2016的35

## LeetCode Weekly Contest 3解题报告 作者是 在线疯狂 发布于 2016年9月4日 在 LeetCode.

LeetCode Weekly Contest 3是LeetCode举办的第二场正式周赛，共4道题目，比赛时长2.5小时。

LeetCode 392. Is Subsequence

LeetCode 393. UTF-8 Validation

LeetCode 394. Decode String

LeetCode 395. Longest Substring with At Least K Repeating Characters

## 题目描述：

LeetCode 395. Longest Substring with At Least K Repeating Characters

Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than k times ...

## 题目描述：

LeetCode 394. Decode String

Given an encoded string, return it's decoded string.

The encoding rule is: `k[encoded_string]`, where the encoded_string inside the square brackets is being repeated exactly k times. Note that k is guaranteed to be a ...

## 题目描述：

LeetCode 393. UTF-8 Validation

A character in UTF8 can be from 1 to 4 bytes long, subjected to the following rules:

A character in UTF8 can be from 1 to 4 bytes long, subjected to the following rules:

1. For ...

## 题目描述：

LeetCode 392. Is Subsequence

Given a string s and a string t, check if s is subsequence of t.

You may assume that there is only lower case English letters in both s and t. t is potentially a ...