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# Title Acceptance Difficulty
526 Beautiful Arrangement 53.3% Medium
425 Word Squares 42.6% Hard
411 Minimum Unique Word Abbreviation 31.7% Hard
401 Binary Watch 44.6% Easy
357 Count Numbers with Unique Digits 45.4% Medium
351 Android Unlock Patterns 43.1% Medium
320 Generalized Abbreviation 44.1% Medium
294 Flip Game II 45.8% Medium
291 Word Pattern II 37.8% Hard
267 Palindrome Permutation II 31.5% Medium
254 Factor Combinations 41.5% Medium
216 Combination Sum III 43.2% Medium
212 Word Search II 22.8% Hard
211 Add and Search Word - Data structure design 21.2% Medium
140 Word Break II 22.6% Hard
131 Palindrome Partitioning 31.7% Medium
126 Word Ladder II 13.8% Hard
93 Restore IP Addresses 26.4% Medium
90 Subsets II 34.8% Medium
89 Gray Code 40.1% Medium
79 Word Search 25.9% Medium
78 Subsets 38.2% Medium
77 Combinations 38.5% Medium
60 Permutation Sequence 27.6% Medium
52 N-Queens II 43.5% Hard
51 N-Queens 29.7% Hard
47 Permutations II 31.6% Medium
46 Permutations 41.7% Medium
44 Wildcard Matching 19.5% Hard
40 Combination Sum II 32.2% Medium
39 Combination Sum 36.9% Medium
37 Sudoku Solver 28.9% Hard
22 Generate Parentheses 43.0% Medium
17 Letter Combinations of a Phone Number 33.3% Medium
10 Regular Expression Matching 23.9% Hard
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