Reverse digits of an integer.
2014-08-15 12:43
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Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
代码:
Example1: x = 123, return 321
Example2: x = -123, return -321
代码:
public class Solution { public static int reverse(int x) { int result = 0; if(x < 0) return -1 * reverse(Math.abs(x)); while(x > 0) { result = result * 10 + x % 10; x = x / 10; } return result; } }
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