Example
Example 1:
Input: 123
Output: 321
Example 2:
Input: -123
Output: -321
Example 3:
Input: 120
Output: 21
print_r(test(123));
function test($x) {
if ($x<0) {
return -test(-$x);
}
$res = 0;
while ($x) {
$res = $res*10 + $x%10;
$x /= 10;
$x = intval($x);
}
//在这要考虑边界条件 32位最多存储 -2^31~2^31-1
return $res;
Reverse Integer Question leetcode: Reverse Integer | Leet...
题目链接 Reverse Integer Reverse digits of an integer.Example...
LeetCode(7. Reverse Integer) Reverse digits of an integer...
[TOC] P007 Reverse Integer Reverse digits of an integer. ...
7. Reverse Integer Reverse digits of an integer. Example1...
Reverse Integer Reverse digits of an integer. Example1: x...
D132 7. Reverse Integer 题目链接 7. Reverse Integer[https://l...
[Reverse Integer]https://leetcode.com/problems/reverse-in...
title: Reverse Integertags:- reverse-integer- No.7- simpl...
7. Reverse Integer
本文标题：Reverse Integer
本文链接：https://www.haomeiwen.com/subject/wkwioqtx.html
网友评论