【leetcode 7-> Reverse Integer(32-bit signed integer)】的更多相关文章

K - Large Division 判断a是否是b的倍数。 a (-10^200 ≤ a ≤ 10^200) and b (|b| > 0, b fits into a 32 bit signed integer). 思路：取余；

/** 题目:K - Large Division 链接:https://vjudge.net/contest/154246#problem/K 题意:判断a是否是b的倍数. a (-10^200 ≤ a ≤ 10^200) and b (|b| > 0, b fits into a 32 bit signed integer). 思路:取余: */ #include<iostream> #include<cstring> #include<cstdio> #in…

【LeetCode】Reverse Integer(整数反转)

这道题是LeetCode里的第7道题. 题目描述: 给出一个 32 位的有符号整数,你需要将这个整数中每位上的数字进行反转. 示例 1: 输入: 123 输出: 321  示例 2: 输入: -123 输出: -321 示例 3: 输入: 120 输出: 21 注意: 假设我们的环境只能存储得下 32 位的有符号整数,则其数值范围为 [−231,  231 − 1].请根据这个假设,如果反转后整数溢出那么就返回 0. 首先,这是一道简单题,根据我多年的做题经验来看,这道题肯定有坑,绝对会有 IN…

LeetCode 7. Reverse Integer (JS)

Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 Note: Assume we are dealing with an environment which could only hold integers within…

LeetCode 7. Reverse Integer （倒转数字）

Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 Note:Assume we are dealing with an environment which could only hold integers within t…

[LeetCode] 7. Reverse Integer 翻转整数

Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 Note:Assume we are dealing with an environment which could only store integers within…

LeetCode 7. Reverse Integer（c语言版）

题目: Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123Output: 321 Example 2: Input: -123Output: -321 Example 3: Input: 120Output: 21 Note:Assume we are dealing with an environment which could only store integers within…

[leetcode]7. Reverse Integer反转整数

Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 题意: 给定一个10进制整数,翻转它. Solution1: directly do the simulation. Two tricky parts to be hand…

蜗牛慢慢爬 LeetCode 7. Reverse Integer [Difficulty: Easy]

题目 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 integ…

LeetCode 7. Reverse Integer 一个整数倒叙输出

潜在问题:(1)随着求和可能精度会溢出int 范围,需要使用long 来辅助判断是否溢出,此时返回 0 Assume we are dealing with an environment which could only store integers within the 32-bit signed integer range: [−231,  231 − 1]. For the purpose of this problem, assume that your function returns…

[LeetCode] 7. Reverse Integer ☆

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 intege…