content: add new matrix question (#227)

This is an interesting question because it requires to break the matrix into a smaller matrix
3 years ago · b3191d9729
parent a7aabc8fb4
commit b3191d9729
1 changed files with 1 additions and 0 deletions
--- a/contents/algorithms/matrix.md
+++ b/contents/algorithms/matrix.md
@ -34,3 +34,4 @@ transposed_matrix = zip(*matrix)
 - [Spiral Matrix](https://leetcode.com/problems/spiral-matrix/)
 - [Rotate Image](https://leetcode.com/problems/rotate-image/)
 - [Word Search](https://leetcode.com/problems/word-search/)
+- [Valid Sudoku](https://leetcode.com/problems/valid-sudoku/)