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# Title Acceptance Difficulty
675 Cut Off Trees for Golf Event 26.5% Hard
542 01 Matrix 33.2% Medium
529 Minesweeper 49.5% Medium
515 Find Largest Value in Each Tree Row 54.9% Medium
513 Find Bottom Left Tree Value 56.0% Medium
505 The Maze II 37.6% Medium
499 The Maze III 32.5% Hard
490 The Maze 43.1% Medium
417 Pacific Atlantic Water Flow 33.6% Medium
407 Trapping Rain Water II 37.1% Hard
323 Number of Connected Components in an Undirected Graph 48.0% Medium
317 Shortest Distance from All Buildings 34.1% Hard
310 Minimum Height Trees 28.8% Medium
301 Remove Invalid Parentheses 35.2% Hard
286 Walls and Gates 44.4% Medium
279 Perfect Squares 37.1% Medium
261 Graph Valid Tree 37.9% Medium
210 Course Schedule II 28.4% Medium
207 Course Schedule 32.4% Medium
200 Number of Islands 34.9% Medium
199 Binary Tree Right Side View 41.2% Medium
133 Clone Graph 25.1% Medium
130 Surrounded Regions 18.6% Medium
126 Word Ladder II 14.3% Hard
111 Minimum Depth of Binary Tree 33.2% Easy
107 Binary Tree Level Order Traversal II 40.5% Easy
103 Binary Tree Zigzag Level Order Traversal 34.9% Medium
102 Binary Tree Level Order Traversal 40.2% Medium
101 Symmetric Tree 39.0% Easy