#7 Reverse Integer
来源:互联网 发布:浙大中控的java 编辑:程序博客网 时间:2024/05/21 23:01
题目链接:https://leetcode.com/problems/reverse-integer/
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 through this!
If the integer's last digit is 0, what should the output be? ie, cases such as 10, 100.
Did you notice that the reversed integer might overflow? Assume the input is a 32-bit integer, then the reverse of 1000000003 overflows. How should you handle such cases?
For the purpose of this problem, assume that your function returns 0 when the reversed integer overflows.
int reverse(int x) { long long ret = 0; int digit; while(x) { digit = x > 0 ? x % 10 : -(-x) % 10; ret = 10 * ret + digit; if(ret > 2147483647 || ret < -2147483648) return 0; x /= 10; } return ret;}
0 0
- LeetCode 7 - Reverse Integer
- LeetCode(7) Reverse Integer
- leetcode 7REVERSE INTEGER
- [leetcode 7] Reverse Integer
- [Leetcode] 7 - Reverse Integer
- LeetCode 7:《Reverse Integer》
- [leetcode 7] Reverse Integer
- LeetCode | #7 Reverse Integer
- 7、Reverse Integer
- leetcode.7-----------Reverse Integer
- 7,Reverse Integer
- 7 Reverse Integer
- LeetCode 7: Reverse Integer
- leetcode-7 Reverse Integer
- leecode 7 Reverse Integer
- leetcode(7)Reverse Integer
- LeetCode 7 - Reverse Integer
- leetcode 7 Reverse Integer
- c++基础编程 之 string
- LeetCode——Balanced Binary Tree
- winrt下NavigatTo、NavigatedFrom、NavigatingFrom、Loaded运行先后次序
- SoapUI利用Groovy把外部数据加载到request中
- 树状数组(一维)例题 HDU——1166敌兵布阵
- #7 Reverse Integer
- windows下eclipse android开发环境的搭建
- \r 和 \n 的区别
- leetcode 1 Two Sum
- 关于互联网的隐私与用户友善
- Git 分布式版本控制系统(四) ---分支管理
- #8 String to Integer (atoi)
- 第14周项目1-小玩文件(1)统计字符个数
- Matlab中时间字符串处理总结