Union Find

Union Find

• 990. Satisfiability of Equality Equations
• 959. Regions Cut By Slashes
• 952. Largest Component Size by Common Factor
• 947. Most Stones Removed with Same Row or Column
• 928. Minimize Malware Spread II
• 924. Minimize Malware Spread
• 886. Possible Bipartition
• 839. Similar String Groups
• 827. Making A Large Island
• 803. Bricks Falling When Hit
• 785. Is Graph Bipartite?
• 778. Swim in Rising Water
• 765. Couples Holding Hands
• 737. Sentence Similarity II
• 721. Accounts Merge
• 711. Number of Distinct Islands II
• 695. Max Area of Island
• 694. Number of Distinct Islands
• 685. Redundant Connection II
• 684. Redundant Connection
• 547. Number of Provinces
• 399. Evaluate Division
• 3493. Properties Graph
• 3383. Minimum Runes to Add to Cast Spell
• 3378. Count Connected Components in LCM Graph
• 3235. Check if the Rectangle Corner Is Reachable
• 323. Number of Connected Components in an Undirected Graph
• 3108. Minimum Cost Walk in Weighted Graph
• 305. Number of Islands II
• 2948. Make Lexicographically Smallest Array by Swapping Elements
• 2852. Sum of Remoteness of All Cells
• 2812. Find the Safest Path in a Grid
• 2782. Number of Unique Categories
• 2709. Greatest Common Divisor Traversal
• 2685. Count the Number of Complete Components
• 2658. Maximum Number of Fish in a Grid
• 2617. Minimum Number of Visited Cells in a Grid
• 261. Graph Valid Tree
• 2573. Find the String with LCP
• 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
• 2424. Longest Uploaded Prefix
• 2421. Number of Good Paths
• 2382. Maximum Segment Sum After Removals
• 2371. Minimize Maximum Value in a Grid
• 2368. Reachable Nodes With Restrictions
• 2334. Subarray With Elements Greater Than Varying Threshold
• 2316. Count Unreachable Pairs of Nodes in an Undirected Graph
• 2307. Check for Contradictions in Equations
• 2204. Distance to a Cycle in Undirected Graph
• 2157. Groups of Strings
• 2092. Find All People With Secret
• 2076. Process Restricted Friend Requests
• 2003. Smallest Missing Genetic Value in Each Subtree
• 200. Number of Islands
• 1998. GCD Sort of an Array
• 1971. Find if Path Exists in Graph
• 1970. Last Day Where You Can Still Cross
• 1905. Count Sub Islands
• 1724. Checking Existence of Edge Length Limited Paths II
• 1722. Minimize Hamming Distance After Swap Operations
• 1697. Checking Existence of Edge Length Limited Paths
• 1632. Rank Transform of a Matrix
• 1631. Path With Minimum Effort
• 1627. Graph Connectivity With Threshold
• 1584. Min Cost to Connect All Points
• 1579. Remove Max Number of Edges to Keep Graph Fully Traversable
• 1569. Number of Ways to Reorder Array to Get Same BST
• 1559. Detect Cycles in 2D Grid
• 1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree
• 1391. Check if There is a Valid Path in a Grid
• 1361. Validate Binary Tree Nodes
• 1319. Number of Operations to Make Network Connected
• 130. Surrounded Regions
• 128. Longest Consecutive Sequence
• 1267. Count Servers that Communicate
• 1258. Synonymous Sentences
• 1254. Number of Closed Islands
• 1202. Smallest String With Swaps
• 1168. Optimize Water Distribution in a Village
• 1135. Connecting Cities With Minimum Cost
• 1102. Path With Maximum Minimum Value
• 1101. The Earliest Moment When Everyone Become Friends
• 1061. Lexicographically Smallest Equivalent String
• 1020. Number of Enclaves