5 / 75
M

Product of Array Except Self

#5
arrayhashmap

Compute prefix and suffix products to avoid division.

Example:

Input:[1,2,3,4]
Output:[24,12,8,6]

Common Mistakes:

  • Off-by-one indexing
  • Not handling edge cases (null/empty)

Notes:

Edge cases: duplicates, empty inputs, negative numbers where applicable.

5/75
Product of Array Except Self