Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
public class Solution {
public int reverse(int x) { if(x==Integer.MIN_VALUE) return 0;
long result = 0;
int i = 0; int temp = (x>0)?1:0;
x = Math.abs(x); while(x != 0){
result *= 10;
result += x%10;
x /= 10;
if(result > Integer.MAX_VALUE || result < Integer.MIN_VALUE) return 0;
}
return (temp==1)?(int)result:(int)-result; }
}