diameter - 博客园

2020年12月3日

摘要：算法定义：编写一段计算机程序一般都是实现一种已有的方法来解决某个问题。这种方法大多和使用的编程语言无关--它适用于各种计算机以及编程语言。是这种方法而非计算机程序本身描述来解决问题的步骤。在计算机科学领域，我们用算法这个词来描述一种有限、确定、有效的并适合用计算机程序来实现的解决问题的方法。我阅读全文

posted @ 2020-12-03 18:12 diameter 阅读(81) 评论(0) 推荐(0) 编辑

19. 删除链表的倒数第N个节点 Remove Nth Node From End of List

摘要： Given the head of a linked list, remove the nth node from the end of the list and return its head. Follow up: Could you do this in one pass? Input: he 阅读全文

posted @ 2020-12-03 14:38 diameter 阅读(71) 评论(0) 推荐(0) 编辑

18. 四数之和 4Sum

摘要： Given an array nums of n integers and an integer target, are there elements a, b, c, and d in nums such that a + b + c+ d = target? Find all unique qu 阅读全文

posted @ 2020-12-03 11:49 diameter 阅读(77) 评论(0) 推荐(0) 编辑

2020年12月2日

17. 电话号码的字母组合 Letter Combinations of a Phone Number

摘要： Given a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent. Return the answer in any 阅读全文

posted @ 2020-12-02 13:39 diameter 阅读(169) 评论(0) 推荐(0) 编辑

16. 最接近的三数之和 3Sum Closest

摘要： Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the thr 阅读全文

posted @ 2020-12-02 10:18 diameter 阅读(85) 评论(0) 推荐(0) 编辑

2020年12月1日

15. 三数之和 3Sum

摘要： Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the s 阅读全文

posted @ 2020-12-01 18:28 diameter 阅读(87) 评论(0) 推荐(0) 编辑

2020年11月30日

14. 最长公共前缀 Longest Common Prefix

摘要： Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Input: 阅读全文

posted @ 2020-11-30 17:09 diameter 阅读(77) 评论(0) 推荐(0) 编辑

13. 罗马数字转整数 Roman to Integer

摘要： Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, 2 is written as II in Roman numeral, just two one's ad 阅读全文

posted @ 2020-11-30 15:27 diameter 阅读(91) 评论(0) 推荐(0) 编辑

12. 整数转罗马数字 Integer to Roman

摘要： Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, 2 is written as II in Roman numeral, just two one's ad 阅读全文

posted @ 2020-11-30 13:52 diameter 阅读(101) 评论(0) 推荐(0) 编辑

11. 盛最多水的容器 Container With Most Water

摘要： Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endp 阅读全文

posted @ 2020-11-30 12:43 diameter 阅读(91) 评论(0) 推荐(0) 编辑

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