easyNeetCode 150
Plus One
Given an array representing a large integer Increment it by one and return the result Example: [1,2,3] => [1,2,4] Example: [9] => [1,0]
I walk from the last digit. A nine rolls to zero and carries on, and an all-nines input needs one extra leading one.
Arrays & HashingMath & Geometry
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1Plus Oneeasy
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