siriusli - 博客园

2019年2月18日

摘要： "79. Word Search" 本题难度: Medium Topic: DFS Description Given a 2D board and a word, find if the word exists in the grid. The word can be constructed fr 阅读全文

posted @ 2019-02-18 20:30 siriusli 阅读(104) 评论(0) 推荐(0)

2019年2月17日

[Lintcode]4. Ugly Number II/[Leetcode]264. Ugly Number II

摘要： "4. Ugly Number II" / "264. Ugly Number II" 本题难度: Medium Topic: Data Structure Description Ugly number is a number that only have factors 2, 3 and 5. 阅读全文

posted @ 2019-02-17 22:36 siriusli 阅读(112) 评论(0) 推荐(0)

[Leetcode]263. Ugly Number

摘要： "263. Ugly Number" 本题难度: Easy Topic: Data Structure Description 我的代码阅读全文

posted @ 2019-02-17 21:37 siriusli 阅读(110) 评论(0) 推荐(0)

[Lintcode]12. Min Stack /[Leetcode]155. Min Stack

摘要： "12. Min Stack" / "155. Min Stack" 本题难度: Medium/Easy Topic: Data Structure Description import heapq import collections class MinStack: def __init__(se 阅读全文

posted @ 2019-02-17 21:20 siriusli 阅读(91) 评论(0) 推荐(0)

[Leetcode]225. Implement Stack using Queues

摘要： "225. Implement Stack using Queues" Implement the following operations of a stack using queues. push(x) Push element x onto stack. pop() Removes the e 阅读全文

posted @ 2019-02-17 20:34 siriusli 阅读(115) 评论(0) 推荐(0)

[Lintcode] 40. Implement Queue by Two Stacks/[Leetcode]225. Implement Stack using Queues

摘要： "40. Implement Queue by Two Stacks" / "225. Implement Stack using Queues" 本题难度: Medium/Easy Topic: Data Structure stack/queue Description As the title 阅读全文

posted @ 2019-02-17 20:13 siriusli 阅读(137) 评论(0) 推荐(0)

[Lintcode]128. Longest Consecutive Sequence/[Leetcode]23. Merge k Sorted Lists

摘要： "128. Longest Consecutive Sequence" / "23. Merge k Sorted Lists" 本题难度: Hard/Medium Topic: Data Structure heap(别人的代码1用的是heap) Description Merge k sorte 阅读全文

posted @ 2019-02-17 16:35 siriusli 阅读(130) 评论(0) 推荐(0)

[Lintcode]124. Longest Consecutive Sequence/[Leetcode]128. Longest Consecutive Sequence

摘要： "124. Longest Consecutive Sequence" / "128. Longest Consecutive Sequence" 本题难度: Medium/Hard Topic: Data Structure Description Given an unsorted array 阅读全文

posted @ 2019-02-17 15:15 siriusli 阅读(136) 评论(0) 推荐(0)

[Lintcode]107. Word Break/[Leetcode]139. Word Break

摘要： "107. Word Break" / "139. Word Break" 本题难度: Medium Topic: Dynamic Programming Description Given a string s and a dictionary of words dict, determine i 阅读全文

posted @ 2019-02-17 03:46 siriusli 阅读(156) 评论(0) 推荐(0)

[Lintcode]109. Triangle/[Leetcode]120. Triangle

摘要： "109. Triangle" / "120. Triangle" 本题难度: Medium Topic: Dynamic Programming Description Given a triangle, find the minimum path sum from top to bottom. 阅读全文

posted @ 2019-02-17 02:54 siriusli 阅读(127) 评论(0) 推荐(0)

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