题解 | #回文数字#
回文数字
http://www.nowcoder.com/practice/35b8166c135448c5a5ba2cff8d430c32
import java.util.*;
public class Solution {
/**
*
* @param x int整型
* @return bool布尔型
*/
public boolean isPalindrome (int x) { // 反转一半对比大小
// write code here
if (x < 0) {
return false;
}
int reverse = 0;
while (x > reverse) {
reverse = reverse * 10 + x % 10;
x = x / 10;
}
return x == reverse || x == reverse / 10;
}
}