CodenQuest
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Learning Path
100 days of code
Perfect for Beginners
FAANG Interview Prep
To Land Your Dream Job
Google Prep
COMING SOON
Difficulty
Difficulty
EASY
MEDIUM
HARD
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Tags
9. Biggest Island
Matrix
25m
42. Count Closed Islands
Matrix
25m
43. Counting Islands
Matrix
25m
46. Count Square Submatrices
Matrix
20m
47. Count Submatrices
Matrix
25m
55. Find Largest Square
Matrix
15m
59. Flip and Invert Image
Matrix
15m
60. Flood Fill
Matrix
15m
62. Grid Unique Paths
Matrix
20m
67. Illuminate Surrounded Regions
Matrix
25m
109. Minimum Path Sum
Matrix
25m
140. Reshape Matrix
Matrix
10m
150. Rotate Matrix
Matrix
25m
164. Toeplitz Matrix
Matrix
15m
172. Validate Sudoku
Matrix
30m
224. Spiral Order Traversal
Matrix
30m
225. Zero Matrix Transformation
Matrix
25m
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