elmagnifico's blog

LeetCode Solution(Medium.1-4)

c/c++，python，for work

前言从本篇开始，做所有Medium难度的题目 1.Single Number Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime complexit...

Posted on December 17, 2015; Words: 818

LeetCode Solution(Easy.65-68)

c/c++，python，for work

65.Excel Sheet Column Title Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 ...

Posted on December 16, 2015; Words: 1185

LeetCode Solution(Easy.61-64)

c/c++，python，for work

61.Count Primes Description: Count the number of prime numbers less than a non-negative number, n. Credits: Special thanks to @mithmatt for adding this problem and creating all test cases. Hin...

Posted on December 16, 2015; Words: 1718

LeetCode Solution(Easy.57-60)

c/c++，python，for work

57.Implement strStr() Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. 57.Implement strStr()-Analysis 判断一个字符串是否是另外一个...

Posted on December 15, 2015; Words: 1204

LeetCode Solution(Easy.53-56)

c/c++，python，for work

53.Add Binary Given two binary strings, return their sum (also a binary string). For example a = "11" b = "1" Return “100”. 53.Add Binary-Analysis 给二进制的string 然后求和还能更简单吗？方法一把string的二进制直接转...

Posted on December 14, 2015; Words: 1083

LeetCode Solution(Easy.49-52)

c/c++，python，for work

49.Count and Say The count-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 11. 11 is read off as "two 1s" or 21. 21 is...

Posted on December 14, 2015; Words: 970

LeetCode Solution(Easy.45-48)

c/c++，python，for work

45.Remove Nth Node From End of List Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. Afte...

Posted on December 13, 2015; Words: 1081

LeetCode Solution(Easy.41-44)

c/c++，python，for work

41.Valid Sudoku Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partially filled, where empty cells are filled with the character ‘.’. A par...

Posted on December 13, 2015; Words: 870

LeetCode Solution(Easy.37-40)

c/c++，python，for work

37.Minimum Depth of Binary Tree Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. 37...

Posted on December 12, 2015; Words: 843

LeetCode Solution(Easy.33-36)

c/c++，python，for work

33.Binary Tree Level Order Traversal Given a binary tree, return the level order traversal of its nodes’ values. (ie, from left to right, level by level). For example: Given binary tree {3,9,20,#...

Posted on December 12, 2015; Words: 1169

Elmagnifico's Blog

LeetCode Solution(Medium.1-4)

c/c++，python，for work

LeetCode Solution(Easy.65-68)

c/c++，python，for work

LeetCode Solution(Easy.61-64)

c/c++，python，for work

LeetCode Solution(Easy.57-60)

c/c++，python，for work

LeetCode Solution(Easy.53-56)

c/c++，python，for work

LeetCode Solution(Easy.49-52)

c/c++，python，for work

LeetCode Solution(Easy.45-48)

c/c++，python，for work

LeetCode Solution(Easy.41-44)

c/c++，python，for work

LeetCode Solution(Easy.37-40)

c/c++，python，for work

LeetCode Solution(Easy.33-36)

c/c++，python，for work

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