LeetCode Experience

#36 Valid Sudoku

Interview Experience

LeetCode #36: Valid Sudoku. Difficulty: Medium. Topics: Array, Hash Table, Matrix. Asked at Udemy in the last 6 months.

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About This Question

This is a candidate experience report from a udemy interview for a swe role during the coding round.

It covers the following topics: Hash Table, Arrays, Matrix, Backtracking .

Difficulty rating: Medium