Backtracking

Subscribe to see which companies asked this question

You have solved  0/ 35 problems.
# Title Acceptance Difficulty
526 Beautiful Arrangement 54.9% Medium
425 Word Squares 42.1% Hard
411 Minimum Unique Word Abbreviation 31.8% Hard
401 Binary Watch 44.7% Easy
357 Count Numbers with Unique Digits 45.7% Medium
351 Android Unlock Patterns 43.2% Medium
320 Generalized Abbreviation 44.4% Medium
294 Flip Game II 45.9% Medium
291 Word Pattern II 37.8% Hard
267 Palindrome Permutation II 31.5% Medium
254 Factor Combinations 41.8% Medium
216 Combination Sum III 43.9% Medium
212 Word Search II 22.9% Hard
211 Add and Search Word - Data structure design 21.7% Medium
140 Word Break II 22.8% Hard
131 Palindrome Partitioning 32.3% Medium
126 Word Ladder II 13.9% Hard
93 Restore IP Addresses 26.7% Medium
90 Subsets II 35.3% Medium
89 Gray Code 40.4% Medium
79 Word Search 26.2% Medium
78 Subsets 39.1% Medium
77 Combinations 38.9% Medium
60 Permutation Sequence 27.9% Medium
52 N-Queens II 44.0% Hard
51 N-Queens 30.2% Hard
47 Permutations II 32.0% Medium
46 Permutations 42.4% Medium
44 Wildcard Matching 19.7% Hard
40 Combination Sum II 32.7% Medium
39 Combination Sum 37.5% Medium
37 Sudoku Solver 29.4% Hard
22 Generate Parentheses 43.7% Medium
17 Letter Combinations of a Phone Number 33.8% Medium
10 Regular Expression Matching 24.0% Hard
Send Feedback