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Leetcode Problem 66. Plus One
66. Plus One
AI Mock Interview
Leetcode Solutions
Schoolbook Addition with Carry
Solution Idea
Algorithm Steps
Code Implementation
Complexity Analysis
Start from the end of the
digits
array and iterate backwards.
If the current digit is less than 9, increment it by one and return the
digits
array.
If the current digit is 9, set it to 0 and move to the next more significant digit.
If all digits have been set to 0 (meaning all were 9), append a 1 at the beginning of the array.
Return the modified
digits
array.
Convert to Integer and Add
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