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全部文章（共243篇）

LeetCode: 172. Factorial Trailing Zeroes

LeetCode: 172. Factorial Trailing Zeroes 题目描述 Given an integer n, return the number of trailing zeroes in n!. Example 1: Input: 3 Output: 0 Explan...

2018-08-02

0 483

Technique to Read Source Code

Technique to Read Source Code Excerpted from http://ruby-hacking-guide.github.io/intro.htm Any programmer has to read a source code somewhere, ...

2018-08-01

0 443

LeetCode: 171. Excel Sheet Column Number

LeetCode: 171. Excel Sheet Column Number 题目描述 Given a column title as appear in an Excel sheet, return its corresponding column number. For ...

2018-08-01

0 455

LeetCode: 879. Profitable Schemes

LeetCode: 879. Profitable Schemes 题目描述 There are G people in a gang, and a list of various crimes they could commit. The i-th crime generates a pro...

2018-07-31

0 452

LeetCode: 169. Majority Element

LeetCode: 169. Majority Element 题目描述 Given an array of size n, find the majority element. The majority element is the element that appears more than...

2018-07-31

0 477

LeetCode: 168. Excel Sheet Column Title

LeetCode: 168. Excel Sheet Column Title 题目描述 Given a positive integer, return its corresponding column title as appear in an Excel sheet. For examp...

2018-07-30

0 567

LeetCode: 878. Nth Magical Number

LeetCode: 878. Nth Magical Number 题目描述 A positive integer is magical if it is divisible by either A or B. Return the N-th magical number. Since the...

2018-07-29

0 537

LeetCode: 877. Stone Game

LeetCode: 877. Stone Game 题目描述 Alex and Lee play a game with piles of stones. There are an even number of piles arranged in a row, and each pile has...

2018-07-29

0 345

LeetCode: 876. Middle of the Linked List

LeetCode: 876. Middle of the Linked List 题目描述 Given a non-empty, singly linked list with head node head, return a middle node of linked list. If th...

2018-07-29

0 444

LeetCode: Weekly Contest 95

LeetCode: Weekly Contest 95 题解列表 1. LeetCode: 876. Middle of the Linked List 题解签到题。第一次遍历统计链表长度。第二次遍历到中间节点返回。 2.LeetCode: 877. Stone Game 题解...

2018-07-29

0 411