Backtracking

Subscribe to see which companies asked this question

You have solved  0/ 35 problems.
# Title Acceptance Difficulty
526 Beautiful Arrangement 48.6% Medium
425 Word Squares 42.7% Hard
411 Minimum Unique Word Abbreviation 31.3% Hard
401 Binary Watch 44.2% Easy
357 Count Numbers with Unique Digits 45.4% Medium
351 Android Unlock Patterns 43.2% Medium
320 Generalized Abbreviation 44.0% Medium
294 Flip Game II 45.7% Medium
291 Word Pattern II 37.6% Hard
267 Palindrome Permutation II 31.4% Medium
254 Factor Combinations 41.2% Medium
216 Combination Sum III 42.7% Medium
212 Word Search II 22.6% Hard
211 Add and Search Word - Data structure design 20.8% Medium
140 Word Break II 22.4% Hard
131 Palindrome Partitioning 31.3% Medium
126 Word Ladder II 13.7% Hard
93 Restore IP Addresses 26.2% Medium
90 Subsets II 34.4% Medium
89 Gray Code 39.8% Medium
79 Word Search 25.6% Medium
78 Subsets 37.6% Medium
77 Combinations 38.2% Medium
60 Permutation Sequence 27.4% Medium
52 N-Queens II 43.2% Hard
51 N-Queens 29.5% Hard
47 Permutations II 31.4% Medium
46 Permutations 41.2% Medium
44 Wildcard Matching 19.3% Hard
40 Combination Sum II 31.9% Medium
39 Combination Sum 36.4% Medium
37 Sudoku Solver 28.6% Hard
22 Generate Parentheses 42.5% Medium
17 Letter Combinations of a Phone Number 33.0% Medium
10 Regular Expression Matching 23.8% Hard
Send Feedback