[LeetCode] Reverse Integer 翻转整数

【[LeetCode] Reverse Integer 翻转整数】的更多相关文章

[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…

[LintCode] Reverse Integer 翻转整数

Reverse digits of an integer. Returns 0 when the reversed integer overflows (signed 32-bit integer). Have you met this question in a real interview? Example Given x = 123, return 321 Given x = -123, return -321 LeetCode上的原题,请参见我之前的博客Reverse Integ…

[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] 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 Pairs 翻转对

Reverse Pairs 翻转对题意计算数组里面下标i小于j,但是i的值要大于j的值的两倍的搭配的个数(也就是可能会有多种搭配):网址做法这道题显然是不允许使用最简单的方法:两次循环,逐次进行判断,这样做的时间复杂度就是O(n^2),OJ无法通过,需要考虑另外的实现方式: class Solution(object): def reversePairs(self, nums): """ :type nums: List[int] :rtype: int "…

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]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…