Leetcode Problem 2133. Check if Every Row and Column Contains All Numbers

2133. Check if Every Row and Column Contains All Numbers

Leetcode Solutions

HashSet Approach for Validating Matrix

  1. Iterate over each row in the matrix.
  2. For each row, create a new HashSet.
  3. Add each element of the row to the HashSet.
  4. If the size of the HashSet is not equal to n after adding all elements, return false.
  5. Repeat steps 2-4 for each column by iterating over each column and adding elements to a new HashSet.
  6. If all rows and columns have a HashSet size equal to n, return true.
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Bitset Approach for Validating Matrix

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