elmagnifico's blog

LeetCode Solution(Medium.17-20)

c/c++，python，for work

17.Unique Paths A robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram below). The robot can only move either down or right at any point in time. The robot is tr...

Posted on December 22, 2015; Words: 363

LeetCode Solution(Medium.13-16)

c/c++，python，for work

13.Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 13.Integer to Roman-Analysis 这个是要求把整数转换成罗马数字。和之前的easy系列中的14题是相反的 ...

Posted on December 21, 2015; Words: 977

LeetCode Solution(Medium.9-12)

c/c++，python，for work

9.Search Insert Position Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume ...

Posted on December 19, 2015; Words: 1123

LeetCode Solution(Medium.5-8)

c/c++，python，for work

5.Binary Tree Preorder Traversal Given a binary tree, return the preorder traversal of its nodes’ values. For example: Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [1,2,3]....

Posted on December 18, 2015; Words: 684

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

Elmagnifico's Blog

LeetCode Solution(Medium.17-20)

c/c++，python，for work

LeetCode Solution(Medium.13-16)

c/c++，python，for work

LeetCode Solution(Medium.9-12)

c/c++，python，for work

LeetCode Solution(Medium.5-8)

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LeetCode Solution(Medium.1-4)

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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

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