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Plus One

时间:2015-06-26 02:08:45      阅读:188      评论:0      收藏:0      [点我收藏+]

Given a non-negative number represented as an array of digits, plus one to the number.

The digits are stored such that the most significant digit is at the head of the list.

?

public class Solution {
    public int[] plusOne(int[] digits) {
        for (int i = digits.length-1; i >= 0; i--) {
        	digits[i] = digits[i]+1;
        	if (digits[i] == 10) {
        		digits[i] = 0;
        	} else {
        		return digits;
        	}
        }
        int[] newdigits = new int[digits.length+1];
        newdigits[0] = 1;
        for (int i = 1; i < newdigits.length; i++) {
        	newdigits[i] = digits[i-1];
        }
        return newdigits;
    }
}

?

Plus One

原文:http://hcx2013.iteye.com/blog/2221976

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