Tag: Recursion // Cici's Blog

Recursion Tag

Path Sum, Path Sum II, Binary Tree Maximum Path Sum, Binary Tree Paths, Sum Root to Leaf Numbers

09-20

Number of Islands, Word Search, Word Search II, Implement Trie (Prefix Tree)

09-15

Valid Parentheses, Longest Valid Parentheses, Generate Parentheses, Letter Combinations of a Phone Number, Restore IP Addresses, Valid Sudoku

09-13

Sudoku Solver, N-Queens, N-Queens II

09-06

Single Number, Single Number II, Decode Ways, Triangle

09-04

The Great Tree-List Recursion Problem, LRU Cache, Search Insert Position, Longest Common Prefix, Linked List Cycle, Linked List Cycle II

09-04

Combination Sum,Combination Sum II, Combination Sum III

09-04

Next Permutation, Permutation, Permutations II, Permutation Sequence

09-01

Validate Binary Search Tree， Unique Binary Search Trees, Unique Binary Search Trees II, Binary Tree Preorder Traversal,Binary Tree Inorder Traversal ,Binary Tree Postorder Traversal, Binary Tree Zigzag Level Order Traversal, Binary Search Tree Iterator

04-16

StringtoLong, Implement Trinary Tree

04-02

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