Breadth-First Search

Breadth-First Search

• 3493. Properties Graph
• 3481. Apply Substitutions
• 3419. Minimize the Maximum Edge Weight of Graph
• 3387. Maximize Amount After Two Days of Conversions
• 3383. Minimum Runes to Add to Cast Spell
• 3373. Maximize the Number of Target Nodes After Connecting Trees II
• 3372. Maximize the Number of Target Nodes After Connecting Trees I
• 3310. Remove Methods From Project
• 3286. Find a Safe Walk Through a Grid
• 3283. Maximum Number of Moves to Kill All Pawns
• 3243. Shortest Distance After Road Addition Queries I
• 3235. Check if the Rectangle Corner Is Reachable
• 3203. Find Minimum Diameter After Merging Two Trees
• 3157. Find the Level of Tree with Minimum Sum
• 3141. Maximum Hamming Distances
• 3123. Find Edges in Shortest Paths
• 3015. Count the Number of Houses at a Certain Distance I
• 2998. Minimum Number of Operations to Make X and Y Equal
• 2858. Minimum Edge Reversals So Every Node Is Reachable
• 2852. Sum of Remoteness of All Cells
• 2850. Minimum Moves to Spread Stones Over Grid
• 2814. Minimum Time Takes to Reach Destination Without Drowning
• 2812. Find the Safest Path in a Grid
• 2773. Height of Special Binary Tree
• 2685. Count the Number of Complete Components
• 2658. Maximum Number of Fish in a Grid
• 2641. Cousins in Binary Tree II
• 2617. Minimum Number of Visited Cells in a Grid
• 2612. Minimum Reverse Operations
• 2608. Shortest Cycle in a Graph
• 2596. Check Knight Tour Configuration
• 2583. Kth Largest Sum in a Binary Tree
• 2577. Minimum Time to Visit a Cell In a Grid
• 2556. Disconnect Path in a Binary Matrix by at Most One Flip
• 2503. Maximum Number of Points From Grid Queries
• 2493. Divide Nodes Into the Maximum Number of Groups
• 2492. Minimum Score of a Path Between Two Cities
• 2477. Minimum Fuel Cost to Report to the Capital
• 2471. Minimum Number of Operations to Sort a Binary Tree by Level
• 2467. Most Profitable Path in a Tree
• 2458. Height of Binary Tree After Subtree Removal Queries
• 2445. Number of Nodes With Value One
• 2415. Reverse Odd Levels of Binary Tree
• 2385. Amount of Time for Binary Tree to Be Infected
• 2368. Reachable Nodes With Restrictions
• 2360. Longest Cycle in a Graph
• 2328. Number of Increasing Paths in a Grid
• 2316. Count Unreachable Pairs of Nodes in an Undirected Graph
• 2290. Minimum Obstacle Removal to Reach Corner
• 2277. Closest Node to Path in Tree
• 2258. Escape the Spreading Fire
• 2204. Distance to a Cycle in Undirected Graph
• 2192. All Ancestors of a Node in a Directed Acyclic Graph
• 2174. Remove All Ones With Row and Column Flips II
• 2146. K Highest Ranked Items Within a Price Range
• 2101. Detonate the Maximum Bombs
• 2092. Find All People With Secret
• 2059. Minimum Operations to Convert Number
• 2045. Second Minimum Time to Reach Destination
• 2039. The Time When the Network Becomes Idle
• 1993. Operations on Tree
• 1992. Find All Groups of Farmland
• 1971. Find if Path Exists in Graph
• 1970. Last Day Where You Can Still Cross
• 1926. Nearest Exit from Entrance in Maze
• 1905. Count Sub Islands
• 1810. Minimum Path Cost in a Hidden Grid
• 1778. Shortest Path in a Hidden Grid
• 1765. Map of Highest Peak
• 1740. Find Distance in a Binary Tree
• 1730. Shortest Path to Get Food
• 1660. Correct a Binary Tree
• 1654. Minimum Jumps to Reach Home
• 1631. Path With Minimum Effort
• 1625. Lexicographically Smallest String After Applying Operations
• 1609. Even Odd Tree
• 1602. Find Nearest Right Node in Binary Tree
• 1568. Minimum Number of Days to Disconnect Island
• 1559. Detect Cycles in 2D Grid
• 1519. Number of Nodes in the Sub-Tree With the Same Label
• 1490. Clone N-ary Tree
• 1485. Clone Binary Tree With Random Pointer
• 1483. Kth Ancestor of a Tree Node
• 1469. Find All The Lonely Nodes
• 1466. Reorder Routes to Make All Paths Lead to the City Zero
• 1462. Course Schedule IV
• 1457. Pseudo-Palindromic Paths in a Binary Tree
• 1448. Count Good Nodes in Binary Tree
• 1443. Minimum Time to Collect All Apples in a Tree
• 1430. Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree
• 1391. Check if There is a Valid Path in a Grid
• 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree
• 1377. Frog Position After T Seconds
• 1376. Time Needed to Inform All Employees
• 1368. Minimum Cost to Make at Least One Valid Path in a Grid
• 1361. Validate Binary Tree Nodes
• 1345. Jump Game IV
• 1319. Number of Operations to Make Network Connected
• 1315. Sum of Nodes with Even-Valued Grandparent
• 1311. Get Watched Videos by Your Friends
• 1306. Jump Game III
• 1302. Deepest Leaves Sum
• 1298. Maximum Candies You Can Get from Boxes
• 1293. Shortest Path in a Grid with Obstacles Elimination
• 1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
• 1273. Delete Tree Nodes
• 1267. Count Servers that Communicate
• 1263. Minimum Moves to Move a Box to Their Target Location
• 1261. Find Elements in a Contaminated Binary Tree
• 1257. Smallest Common Region
• 1254. Number of Closed Islands
• 1245. Tree Diameter
• 1242. Web Crawler Multithreaded
• 1236. Web Crawler
• 1215. Stepping Numbers
• 1210. Minimum Moves to Reach Target with Rotations
• 1203. Sort Items by Groups Respecting Dependencies
• 1202. Smallest String With Swaps
• 1197. Minimum Knight Moves
• 1162. As Far from Land as Possible
• 1161. Maximum Level Sum of a Binary Tree
• 1129. Shortest Path with Alternating Colors
• 1123. Lowest Common Ancestor of Deepest Leaves
• 1102. Path With Maximum Minimum Value
• 1096. Brace Expansion II
• 1091. Shortest Path in Binary Matrix
• 1087. Brace Expansion
• 1042. Flower Planting With No Adjacent
• 1036. Escape a Large Maze
• 1034. Coloring A Border
• 1020. Number of Enclaves
• 994. Rotting Oranges
• 993. Cousins in Binary Tree
• 987. Vertical Order Traversal of a Binary Tree
• 967. Numbers With Same Consecutive Differences
• 965. Univalued Binary Tree
• 959. Regions Cut By Slashes
• 958. Check Completeness of a Binary Tree
• 934. Shortest Bridge
• 928. Minimize Malware Spread II
• 924. Minimize Malware Spread
• 919. Complete Binary Tree Inserter
• 909. Snakes and Ladders
• 886. Possible Bipartition
• 865. Smallest Subtree with all the Deepest Nodes
• 864. Shortest Path to Get All Keys
• 863. All Nodes Distance K in Binary Tree
• 854. K-Similar Strings
• 847. Shortest Path Visiting All Nodes
• 841. Keys and Rooms
• 839. Similar String Groups
• 827. Making A Large Island
• 815. Bus Routes
• 802. Find Eventual Safe States
• 797. All Paths From Source to Target
• 787. Cheapest Flights Within K Stops
• 785. Is Graph Bipartite?
• 783. Minimum Distance Between BST Nodes
• 778. Swim in Rising Water
• 773. Sliding Puzzle
• 765. Couples Holding Hands
• 756. Pyramid Transition Matrix
• 752. Open the Lock
• 749. Contain Virus
• 743. Network Delay Time
• 742. Closest Leaf in a Binary Tree
• 737. Sentence Similarity II
• 733. Flood Fill
• 721. Accounts Merge
• 711. Number of Distinct Islands II
• 695. Max Area of Island
• 694. Number of Distinct Islands
• 690. Employee Importance
• 685. Redundant Connection II
• 684. Redundant Connection
• 675. Cut Off Trees for Golf Event
• 672. Bulb Switcher II
• 662. Maximum Width of Binary Tree
• 655. Print Binary Tree
• 653. Two Sum IV - Input is a BST
• 637. Average of Levels in Binary Tree
• 623. Add One Row to Tree
• 617. Merge Two Binary Trees
• 582. Kill Process
• 559. Maximum Depth of N-ary Tree
• 547. Number of Provinces
• 542. 01 Matrix
• 530. Minimum Absolute Difference in BST
• 529. Minesweeper
• 515. Find Largest Value in Each Tree Row
• 514. Freedom Trail
• 513. Find Bottom Left Tree Value
• 505. The Maze II
• 499. The Maze III
• 490. The Maze
• 488. Zuma Game
• 463. Island Perimeter
• 449. Serialize and Deserialize BST
• 433. Minimum Genetic Mutation
• 431. Encode N-ary Tree to Binary Tree
• 429. N-ary Tree Level Order Traversal
• 428. Serialize and Deserialize N-ary Tree
• 417. Pacific Atlantic Water Flow
• 407. Trapping Rain Water II
• 404. Sum of Left Leaves
• 399. Evaluate Division
• 365. Water and Jug Problem
• 364. Nested List Weight Sum II
• 339. Nested List Weight Sum
• 329. Longest Increasing Path in a Matrix
• 323. Number of Connected Components in an Undirected Graph
• 322. Coin Change
• 317. Shortest Distance from All Buildings
• 314. Binary Tree Vertical Order Traversal
• 310. Minimum Height Trees
• 302. Smallest Rectangle Enclosing Black Pixels
• 301. Remove Invalid Parentheses
• 297. Serialize and Deserialize Binary Tree
• 286. Walls and Gates
• 279. Perfect Squares
• 269. Alien Dictionary
• 261. Graph Valid Tree
• 226. Invert Binary Tree
• 210. Course Schedule II
• 207. Course Schedule
• 200. Number of Islands
• 199. Binary Tree Right Side View
• 133. Clone Graph
• 130. Surrounded Regions
• 127. Word Ladder
• 126. Word Ladder II
• 117. Populating Next Right Pointers in Each Node II
• 116. Populating Next Right Pointers in Each Node
• 112. Path Sum
• 111. Minimum Depth of Binary Tree
• 107. Binary Tree Level Order Traversal II
• 104. Maximum Depth of Binary Tree
• 103. Binary Tree Zigzag Level Order Traversal
• 102. Binary Tree Level Order Traversal
• 101. Symmetric Tree
• 100. Same Tree