【LeetCode——Reverse Integer（逆置一个整数）】的更多相关文章

LeetCode——Reverse Integer（逆置一个整数）

问题: Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return –321   Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this! If the in…

leetcode：Integer to Roman（整数转化为罗马数字）

Question: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 给你一个整数,把它转化为罗马数字,输入保证在1到3999之间. 关于罗马数字介绍: 1.计数方法:① 罗马数字就有下面七个基本符号:Ⅰ(1).Ⅴ(5).Ⅹ(10).L(50).C(100).D(500).M(1000). ② 相同的数字连写,所表示的数等于这些数字…

[leetcode]273. Integer to English Words 整数转英文单词

Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. Example 1: Input: 123Output: "One Hundred Twenty Three"Example 2: Input: 12345Output: "Twelve Thousand Three Hundred Fort…

LeetCode: Reverse Integer 解题报告

Reverse Integer Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. SOLUTION 1: 注意越界后返回0.先用long来计算,然后,把越界的处理掉. public class Solution { public int reverse(int x) { long ret = 0; while (x !…

[LeetCode] Reverse Integer 翻转整数

Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought throu…

[Leetcode] reverse integer 反转整数

Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought throug…

LeetCode Reverse Bits 反置位值

题意:给定一个无符号32位整数,将其二进制形式左右反置,再以整型返回. 思路:循环32轮,将n往右挤出一位就补到ans的尾巴上. class Solution { public: uint32_t reverseBits(uint32_t n) { ; uint32_t ans = ; int i; ; i<; i++ ) { ans <<= ; ) ans |= ; n >>=; } return ans; } }; Reverse Bits…

C++ leetcode::Reverse Integer

第一天上课,数据库老师说对于计算机系的学生,凡是在课本上学到的专业知识都是过时的.深以为然,感觉大学两年半真的不知道学了什么,为未来感到担忧,C++也不敢说是精通,入门还差不多.最近丧的不行,不管怎么样,每天还是要进步一点点. 题目: Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 感觉不难,写了才发现自己没考虑溢出的问题,为判断溢出折腾了好久,心好累,提…

[LeetCode] 273. Integer to English Words 整数转为英文单词

Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 231 - 1. Example 1: Input: 123 Output: "One Hundred Twenty Three" Example 2: Input: 12345 Output: "Twelve Thousand Three Hundred F…

Leetcode: Reverse Integer 正确的思路下-要考虑代码简化

题目: Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this! If the integ…