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53 docs tagged with "breadth-first-search"

01 Matrix

LeetCode 542 | Difficulty: Medium

All Nodes Distance K in Binary Tree

LeetCode 893 | Difficulty: Medium

Average of Levels in Binary Tree

LeetCode 637 | Difficulty: Easy

Binary Tree Level Order Traversal II

LeetCode 107 | Difficulty: Medium

Binary Tree Right Side View

LeetCode 199 | Difficulty: Medium

Binary Tree Vertical Order Traversal

LeetCode 314 | Difficulty: Medium

Binary Tree Zigzag Level Order Traversal

LeetCode 103 | Difficulty: Medium

Check Completeness of a Binary Tree

LeetCode 998 | Difficulty: Medium

Clone Graph

LeetCode 133 | Difficulty: Medium

Correct a Binary Tree

LeetCode 1796 | Difficulty: Medium

Count Good Nodes in Binary Tree

LeetCode 1544 | Difficulty: Medium

Count Sub Islands

LeetCode 2035 | Difficulty: Medium

Course Schedule

LeetCode 207 | Difficulty: Medium

Course Schedule II

LeetCode 210 | Difficulty: Medium

Cousins in Binary Tree

LeetCode 1035 | Difficulty: Easy

Deepest Leaves Sum

LeetCode 1254 | Difficulty: Medium

Find All The Lonely Nodes

LeetCode 1609 | Difficulty: Easy

Find Bottom Left Tree Value

LeetCode 513 | Difficulty: Medium

Find if Path Exists in Graph

LeetCode 2121 | Difficulty: Easy

Find Largest Value in Each Tree Row

LeetCode 515 | Difficulty: Medium

Flood Fill

LeetCode 733 | Difficulty: Easy

Graph Valid Tree

LeetCode 261 | Difficulty: Medium

Invert Binary Tree

LeetCode 226 | Difficulty: Easy

Island Perimeter

LeetCode 463 | Difficulty: Easy

Jump Game III

LeetCode 1428 | Difficulty: Medium

Keys and Rooms

LeetCode 871 | Difficulty: Medium

Longest Increasing Path in a Matrix

LeetCode 329 | Difficulty: Hard

Max Area of Island

LeetCode 695 | Difficulty: Medium

Maximum Depth of Binary Tree

LeetCode 104 | Difficulty: Easy

Maximum Depth of N-ary Tree

LeetCode 774 | Difficulty: Easy

Merge Two Binary Trees

LeetCode 617 | Difficulty: Easy

Minimum Absolute Difference in BST

LeetCode 530 | Difficulty: Easy

Minimum Depth of Binary Tree

LeetCode 111 | Difficulty: Easy

Minimum Distance Between BST Nodes

LeetCode 799 | Difficulty: Easy

N-ary Tree Level Order Traversal

LeetCode 764 | Difficulty: Medium

Number of Closed Islands

LeetCode 1380 | Difficulty: Medium

Number of Connected Components in an Undirected Graph

LeetCode 323 | Difficulty: Medium

Number of Distinct Islands

LeetCode 694 | Difficulty: Medium

Number of Provinces

LeetCode 547 | Difficulty: Medium

Open the Lock

LeetCode 753 | Difficulty: Medium

Path Sum

LeetCode 112 | Difficulty: Easy

Perfect Squares

LeetCode 279 | Difficulty: Medium

Populating Next Right Pointers in Each Node

LeetCode 116 | Difficulty: Medium

Populating Next Right Pointers in Each Node II

LeetCode 117 | Difficulty: Medium

Same Tree

LeetCode 100 | Difficulty: Easy

Serialize and Deserialize Binary Tree

LeetCode 297 | Difficulty: Hard

Serialize and Deserialize BST

LeetCode 449 | Difficulty: Medium

Serialize and Deserialize N-ary Tree

LeetCode 765 | Difficulty: Hard

Symmetric Tree

LeetCode 101 | Difficulty: Easy

The Maze

LeetCode 490 | Difficulty: Medium

Univalued Binary Tree

LeetCode 1005 | Difficulty: Easy

Vertical Order Traversal of a Binary Tree

LeetCode 1029 | Difficulty: Hard

Walls and Gates

LeetCode 286 | Difficulty: Medium