Home [Easy] Plus One
Post
Cancel

[Easy] Plus One

‘Plus One’ in LeetCode (Easy)


📌 Problem

https://leetcode.com/problems/plus-one/

📌 Answer

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
class Solution {
    public int[] plusOne(int[] digits) {
        
        for (int i = digits.length - 1; i >= 0; i--) {
            if (digits[i] != 9) {
                digits[i]++;
                break;
            } else {
                digits[i] = 0;
            }
        }
        
        if (digits[0] == 0) {
            int[] res = new int[digits.length + 1];
            res[0] = 1;
            return res;
        }
        
        return digits;
    }
}
This post is licensed under CC BY 4.0 by the author.

[Java String methods] Implement strStr()

[Tail] Merge Sorted Array

Comments powered by Disqus.