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14 problems total
| Title | Difficulty | Videos | Companies |
|---|---|---|---|
| Spiral Matrix 1 - Return | medium | ||
| Word Search 1 - Find if word exists | medium | ||
| Number of Islands | medium | ||
| Word Search 2 - Return All Words | hard | ||
| Search a 2D Matrix 2 - Rows and columns are sorted | medium | - | |
| Walls and Gates | medium | - | |
| Shortest Distance from All Buildings | hard | - | |
| Longest Increasing Path in a Matrix | hard | - | |
| Trapping Rain Water 2 | hard | - | |
| Max Area of Island | medium | - | |
| Basic Calculator 3 | hard | - | |
| Minimum Remove to Make Valid Parentheses | medium | - | |
| Greatest Sum Divisible by Three | medium | - | |
| Find the Smallest Divisor Given a Threshold | medium | - |