Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n with either n + 1 or n - 1. What is the minimum number of replacements needed for n to become 1? Example 1: Input: 8 Outp…
Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n with either n + 1 or n - 1. What is the minimum number of replacements needed for n to become 1? Example 1: Input: 8 Outp…
Question Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n with either n + 1 or n - 1. What is the minimum number of replacements needed for n to become 1? Example 1: Inpu…
397. Integer Replacement QuestionEditorial Solution My Submissions Total Accepted: 5878 Total Submissions: 21519 Difficulty: Easy Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can…
[LeetCode]397. Integer Replacement 解题报告(Python) 标签: LeetCode 题目地址:https://leetcode.com/problems/integer-replacement/description/ 题目描述: Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you…
Week3 - 397. Integer Replacement 397.Integer Replacement - Medium Given a positive integer n and you can do operations as follow: 1.If n is even, replace n with n/2. 2.If n is odd, you can replace n with either n + 1 or n - 1. What is the minimum num…
Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum product you can get. For example, given n = 2, return 1 (2 = 1 + 1); given n = 10, return 36 (10 = 3 +…
Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. For example, 123 -> "One Hundred Twenty Three" 12345 -> "Twelve Thousand Three Hundred Forty Five" 1234567 -&g…
Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 之前那篇文章写的是罗马数字转化成整数(http://www.cnblogs.com/grandyang/p/4120857.html), 这次变成了整数转化成罗马数字,基本算法还是一样.由于题目中限定了输入数字的范围(1 - 3999), 使得题目变得简单了不少. 基本字符 I V…
A typical CS style DP based solution: class Solution(object): def __init__(self): self.hm = {} def integerBreak(self, n): if n in self.hm: return self.hm[n] ret = 0 for i in range(1, n//2 + 1): v1 = self.integerBreak(i) v2 = self.integerBreak(n - i)…
原题链接在这里:https://leetcode.com/problems/integer-to-english-words/ Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. For example, 123 -> "One Hundred Twenty Three" 12345 ->…
Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. , , , , ,, , , , , , , }; string romans[]={"M", "CM", "D", "CD", "C", "XC", "L&quo…
343. Integer Break Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum product you can get. For example, given n = 2, return 1 (2 = 1 + 1); given n = 10, r…
Given a positive integer n and you can do operations as follow: If n is even, replace n with n/2. If n is odd, you can replace n with either n + 1 or n - 1. What is the minimum number of replacements needed for n to become 1? Example 1: Input: 8 Outp…
Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. SOLUTION 1: 从大到小的贪心写法.从大到小匹配,尽量多地匹配当前的字符. 罗马数字对照表: http://literacy.kent.edu/Minigrants/Cinci/romanchart.htm package Algorithm…
Description: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. noting to say. public class Solution { public String intToRoman(int number) { int[] values = {1000, 900, 500, 400, 100, 90, 50, 4…
Question Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum product you can get. For example, given n = 2, return 1 (2 = 1 + 1); given n = 10, return 36 (…
class Solution(object): def intToRoman(self, num): """ :type num: int :rtype: str """ if num > 3999 or num < 1: return "" values = [1000,900,500,400,100,90,50,40,10,9,5,4,1] numerals = ["M","CM&…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 数学解法 动态规划 日期 题目地址:https://leetcode.com/problems/integer-break/description/ 题目描述 Given a positive integer n, break it into the sum of at least two positive integers and maximize…
请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift 说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序 号 题名Title 难度 Difficulty 两数之…
突然很想刷刷题,LeetCode是一个不错的选择,忽略了输入输出,更好的突出了算法,省去了不少时间. dalao们发现了任何错误,或是代码无法通过,或是有更好的解法,或是有任何疑问和建议的话,可以在对应的随笔下面评论区留言,我会及时处理,在此谢过了. 过程或许会很漫长,也很痛苦,慢慢来吧. 编号 题名 过题率 难度 1 Two Sum 0.376 Easy 2 Add Two Numbers 0.285 Medium 3 Longest Substring Without Repeating C…
All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) . Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…
All LeetCode Questions List 题目汇总 Sorted by frequency of problems that appear in real interviews. Last updated: October 2, 2017Google (214)534 Design TinyURL388 Longest Absolute File Path683 K Empty Slots340 Longest Substring with At Most K Distinct C…
源代码地址:https://github.com/hopebo/hopelee 语言:C++ 301. Remove Invalid Parentheses Remove the minimum number of invalid parentheses in order to make the input string valid. Return all possible results. Note: The input string may contain letters other tha…
