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全部文章（共243篇）

LeetCode: 902. Numbers At Most N Given Digit Set

LeetCode: 902. Numbers At Most N Given Digit Set 题目描述 We have a sorted set of digits D, a non-empty subset of {'1','2','3','4','5','6','7','8','9'}....

2018-09-09

0 571

LeetCode: 901. Online Stock Span

LeetCode: 901. Online Stock Span 解题思路 Write a class StockSpanner which collects daily price quotes for some stock, and returns the span of that stoc...

2018-09-09

0 594

LeetCode: 900. RLE Iterator

LeetCode: 900. RLE Iterator 题目描述 Write an iterator that iterates through a run-length encoded sequence. The iterator is initialized by RLEIterator(...

2018-09-09

0 545

LeetCode:Weekly Contest 101

LeetCode:Weekly Contest 101 题目描述 1. LeetCode: 900. RLE Iterator 题解签到题。每次调用 next(n) 函数时，判断当前队首的元素的数量和 n 的大小关系。如果队首的元素的数量大于等于 n，则将其数量减少 n ...

2018-09-09

0 511

LeetCode: 198. House Robber

LeetCode: 198. House Robber 解题思路 You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stash...

2018-09-08

0 487

LeetCode: 197. Rising Temperature

LeetCode: 197. Rising Temperature 题目描述 Given a Weather table, write a SQL query to find all dates’ Ids with higher temperature compared to its previ...

2018-09-07

0 516

LeetCode: 196. Delete Duplicate Emails

LeetCode: 196. Delete Duplicate Emails 题目描述 Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique ema...

2018-09-06

0 462

LeetCode: 195. Tenth Line

LeetCode: 195. Tenth Line 题目描述 Given a text file file.txt, print just the 10th line of the file. Example: Assume that file.txt has the following c...

2018-09-05

0 458

TCP/IP协议(5): IP(Internet Protocol) 协议 —— 连接各个网络的协议

TCP/IP协议(5): IP(Internet Protocol) 协议 —— 连接各个网络的协议关于 IP(Internet Protocol) 协议 IP(Internet Protocol) 协议是 TCP/IP 协议族中的核心协议。 IP 协议根据数据包(Packet) 中的 I...

2018-09-04

0 684

LeetCode: 194. Transpose File

LeetCode: 194. Transpose File 题目描述 Given a text file file.txt, transpose its content. You may assume that each row has the same number of columns a...

2018-09-04

0 511