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0/18 solved
Number of Islands
MEDIUM
Binary Tree Level Order Traversal
MEDIUM
Symmetric Tree
EASY
Maximum Depth of Binary Tree
EASY
Word Ladder
HARD
Same Tree
EASY
Binary Tree Zigzag Level Order Traversal
MEDIUM
Serialize and Deserialize Binary Tree
HARD
Max Area of Island
MEDIUM
Accounts Merge
MEDIUM
Two Sum IV - Input is a BST
EASY
Word Ladder II
HARD
Find Largest Value in Each Tree Row
MEDIUM
Graph Valid Tree
MEDIUM
Number of Connected Components in an Undirected Graph
MEDIUM
Nested List Weight Sum
MEDIUM
Flower Planting With No Adjacent
MEDIUM
Nested List Weight Sum II
MEDIUM