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4/17【hhhboy】
022. Generate Parentheses
168. Excel Sheet Column Title
054. Spiral Matrix
722. Remove Comments
209. Minimum Size Subarray Sum

4/17
LintCode
611. Knight Shortest Path
LeetCode
200. Number of Islands

I > II
209.
157.
53.
1654.
—————
II > III
60. (X)
920. (X) Collections.sort(intervals,(a,b)->(a.start-b.start));
463.
1663.

4/18【hhhboy】
817. Linked List Components
046. Permutations
825.Friends Of Appropriate Ages
948. Bag of Tokens

4/18
LintCode
127. Topological Sorting
7. Serialize and Deserialize Binary Tree


228. Middle of Linked List
466. Count Linked List Nodes
822. Reverse Order Storage
219. Insert Node in Sorted Linked List
1661. Delete the nth to mth nodes in the linked list
1664. Count Linked List Nodes II
376. Binary Tree Path Sum

4/19
LintCode
72
73
97
93
95
66
480
900

4/20
LeetCode: 樹複習
144    Binary Tree Preorder Traversal
94    Binary Tree Inorder Traversal
102    Binary Tree Level Order Traversal
100    Same Tree
101    Symmetric Tree
226    Invert Binary Tree
257    Binary Tree Paths
112    Path Sum
113    Path Sum II
129    Sum Root to Leaf Numbers
111    Minimum Depth of Binary Tree

4/19【hhhboy】
128. Longest Consecutive Sequence
948. Bag of Tokens


4/20【hhhboy】
102. Binary Tree Level Order Traversal
540. Single Element in a Sorted Array
895. Maximum Frequency Stack


4/21 【hhhboy】
554. Brick Wall
011. Container With Most Water
986. Interval List Intersections
896. Monotonic Array
171. Excel Sheet Column Number
242. Valid Anagram
005. Longest Palindromic Substring

4/21
LeetCode
107    Binary Tree Level Order Traversal II
103    Binary Tree Zigzag Level Order Traversal
199    Binary Tree Right Side View
98    Validate Binary Search Tree
235    Lowest Common Ancestor of a Binary Search Tree

4/25 【hhhboy】
127. Word Ladder
909. Snakes and Ladders
073. Set Matrix Zeroes
419. Battleships in a Board
008. String to Integer
101. Symmetric Tree
463. Island Perimeter
044. Wildcard Matching