90. Subsets 2
Subsets 2
Backtracking 21
60. Permutation Sequence
Permutation Sequence
37. Sudoku Solver
Sudoku Solver
22. Generate Parantheses
Generate Parantheses
756. Pyramid Transition Matrix
Pyramid Transition Matrix
47. Permutations 2
Permutations 2
3483. Unique 3 Digit Even Numbers
Unique 3 Digit Even Numbers
1415. Kth Lexicographical String Of All Happy Strings Of Length N
Kth Lexicographical String Of All Happy Strings Of Length N
473. Matchsticks To Square
Matchsticks To Square
46. Permutations
Permutations
77. Combinations
Combinations
51. N Queens
Meta’s - 51. N Queens
40. Combination Sum 2
Combination Sum 2
79. Word Search
Word Search
17. Letter Combinations Of A Phone Number
Letter Combinations Of A Phone Number
212. Search Words 2
Meta’s - Search Words 2
131. Palindrome Partitioning
Google’s - Palindrome Partitioning
2305. Fair Distribution Of Cookies
Fair Distribution Of Cookies
39. Combination Sum
Amazon’s - Combination Sum
78. Subsets
Meta’s - Subsets
112. Path Sum
Microsoft’s - Path Sum