[LeetCode]Reverse Integer
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题目描述
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
解题思路
对求余数和求商的使用
代码
public int reverse(int x) { int num = 0; int sign = x>=0?1:-1;//获取符号 x = Math.abs(x); while(x!=0){ num = num*10 + x%10; x = x/10; } return num*sign; } 0 0
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