在职刷题自勉：一旦中断，前功尽弃

4/11 Day 17

993        Cousins in Binary Tree
994        Rotting Oranges
995        Minimum Number of K Consecutive Bit Flips New
206        Reverse Linked List
950        Reveal Cards In Increasing Order
979        Distribute Coins in Binary Tree
980        Unique Paths III

4/12 Day 18  Trie

720        Longest Word in Dictionary
!745        Prefix and Suffix Search
208        Implement Trie (Prefix Tree)
648        Replace Words
676        Implement Magic Dictionary
677        Map Sum Pairs
307        Range Sum Query - Mutable

4/13 Day 19 Mock + Contest

138        Copy List with Random Pointer
692        Top K Frequent Words
702        Search in a Sorted Array of Unknown Size

1028        Recover a Tree From Preorder Traversal
!1027        Longest Arithmetic Sequence
1026        Maximum Difference Between Node and Ancestor
1025        Divisor Game

4/14 Graph

332        Reconstruct Itinerary
323        Number of Connected Components in an Undirected Graph
737        Sentence Similarity II
!444        Sequence Reconstruction

4/15 Graph

310        Minimum Height Trees
854        K-Similar Strings
765        Couples Holding Hands
742        Closest Leaf in a Binary Tree

4/16 BFS

882        Reachable Nodes In Subdivided Graph
815        Bus Routes
847        Shortest Path Visiting All Nodes
！864        Shortest Path to Get All Keys

keep it up.   just started it myself.  wont stop

4/17 Day 23

*907        Sum of Subarray Minimums
901        Online Stock Span
90        Subsets II
216        Combination Sum III

4/18 Day 24: Mock

!466        Count The Repetitions
434        Number of Segments in a String
467        Unique Substrings in Wraparound String
!469        Convex Polygon

4/19 Day 25

784        Letter Case Permutation
!943        Find the Shortest Superstring
542        01 Matrix
108        Convert Sorted Array to Binary Search Tree