Matrix (48 completed)
# | Title | Level | Cats | Solution | Languages | Date Complete |
---|---|---|---|---|---|---|
36 | Valid Sudoku | Medium | N150 | solution | py | Jun 13, 2024 |
48 | Rotate Image | Medium | B75, N150 | solution | c, py | Jun 15, 2024 |
54 | Spiral Matrix | Medium | B75, N150 | solution | py | Oct 24, 2024 |
74 | Search a 2D Matrix | Medium | N150 | solution | py | Jun 15, 2024 |
79 | Word Search | Medium | B75, N150 | solution | py | Jun 27, 2024 |
200 | Number of Islands | Medium | B75, N150 | solution | py | Jun 17, 2024 |
212 | Word Search II | Hard | B75, N150 | solution | py | Jun 27, 2024 |
286 | Walls and Gates | Medium | N150 | solution | py | Jun 15, 2024 |
348 | Design Tic-Tac-Toe | Medium | solution | py | Jul 05, 2024 | |
419 | Battleships in a Board | Medium | solution | c, py | Jun 24, 2024 | |
542 | 01 Matrix | Medium | solution | py | Jun 26, 2024 | |
695 | Max Area of Island | Medium | N150 | solution | c | Jun 24, 2024 |
794 | Valid Tic-Tac-Toe State | Medium | solution | py | Jul 05, 2024 | |
807 | Max Increase to Keep City Skyline | Medium | solution | java | Jun 22, 2024 | |
840 | Magic Squares In Grid | Medium | Daily | solution | py | Aug 09, 2024 |
861 | Score After Flipping Matrix | Medium | solution | c, py | Jun 10, 2024 | |
867 | Transpose Matrix | Easy | solution | py | Jun 15, 2024 | |
885 | Spiral Matrix III | Medium | Daily | solution | py | Aug 08, 2024 |
909 | Snakes and Ladders | Medium | solution | py | Jun 12, 2024 | |
959 | Regions Cut By Slashes | Medium | Daily | solution | py | Aug 10, 2024 |
994 | Rotting Oranges | Medium | N150 | solution | py | Jun 15, 2024 |
1020 | Number of Enclaves | Medium | solution | py | Jun 26, 2024 | |
1030 | Matrix Cells in Distance Order | Easy | solution | py | Jun 04, 2024 | |
1254 | Number of Closed Islands | Medium | solution | py | Jun 26, 2024 | |
1284 | Minimum Number of Flips to Convert Binary Matrix to Zero Matrix | Hard | solution | py | Jun 09, 2024 | |
1351 | Count Negative Numbers in a Sorted Matrix | Easy | solution | java, py | Jun 01, 2024 | |
1368 | Minimum Cost to Make at Least One Valid Path in a Grid | Hard | Daily | solution | py | Jan 18, 2025 |
1380 | Lucky Numbers in a Matrix | Easy | Daily | solution | js, py | Jul 19, 2024 |
1568 | Minimum Number of Days to Disconnect Island | Hard | Daily | solution | py | Aug 11, 2024 |
1605 | Find Valid Matrix Given Row and Column Sums | Medium | Daily | solution | py | Jul 20, 2024 |
1730 | Shortest Path to Get Food | Medium | Weekly Premium | solution | py | Jun 26, 2024 |
1905 | Count Sub Islands | Medium | Daily | solution | py | Jun 24, 2024 |
1992 | Find All Groups of Farmland | Medium | solution | java, py | Jun 24, 2024 | |
2258 | Escape the Spreading Fire | Hard | solution | py | Jun 15, 2024 | |
2304 | Minimum Path Cost in a Grid | Medium | solution | py | Jul 29, 2024 | |
2352 | Equal Row and Column Pairs | Medium | solution | py | Jun 27, 2024 | |
2392 | Build a Matrix With Conditions | Hard | Daily | solution | py | Jul 21, 2024 |
2482 | Difference Between Ones and Zeros in Row and Column | Medium | solution | py | Jun 07, 2024 | |
2545 | Sort the Students by Their Kth Score | Medium | solution | java, py | Jun 24, 2024 | |
2661 | First Completely Painted Row or Column | Medium | Daily | solution | py | Jan 20, 2025 |
2664 | The Knight’s Tour | Medium | Weekly Premium | solution | py | Oct 26, 2024 |
2679 | Sum in a Matrix | Medium | solution | java | May 22, 2024 | |
2684 | Maximum Number of Moves in a Grid | Medium | Daily | solution | py | Oct 29, 2024 |
3195 | Weekly Contest 403 - q2 - Find the Minimum Area to Cover All Ones I | Medium | Contest | solution | py | Jul 07, 2024 |
3212 | Weekly Contest 405 - q3 - Count Submatrices With Equal Frequency of X and Y | Medium | Contest | solution | py | Jul 07, 2024 |
3239 | Biweekly Contest 136 - q2 - Minimum Number of Flips to Make Binary Grid Palindromic I | Medium | Contest | solution | py | Aug 03, 2024 |
3240 | Biweekly Contest 136 - q3 - Minimum Number of Flips to Make Binary Grid Palindromic II | Medium | Contest | solution | py | Aug 03, 2024 |
3242 | Design Neighbor Sum Service | Easy | solution | py | Aug 04, 2024 |