FLAG高频精选面试题讲解 - 31 algorithms

June 18, 2019

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17 Letter combinations of a phone number
23 Merge K sorted lists (hard level)
33 Search in Rotated Sorted array
56 Merge intervals
75 Sorted Colors
76 Minimum window substrings (hard level)
91 Decode ways 
124 Binary tree max path sum (hard level)
138 Copy list with random pointer
161 One edit distance


199 Binary tree right side view
200 Number of islands
219 Contains duplicate II (Easy)
220 Contains duplicate II
224 Basic Calculator (hard)
243 Shortest word distance
244 Shortest word distance II
245 Shortest word distance III
277 Find the celebrity
309 Best time to buy and sell stocks with cooldown

322 Coin change
450 Delete node in BST
481 Magical string
496 Next great element I
503 Next great element II
516 Longest palindromic subsequence
518 Coin change 2
560 Subarray sum equals K
632 Smallest range ( hard level)
652 Find duplicate subtrees


692 Top K frequent words