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Union Find

Problems with tag Union Find

85 found, showing 1 to 30

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Accounts Merge ->

Medium, #721, 4 solutions

Bricks Falling When Hit ->

Hard, #803, 3 solutions

Check for Contradictions in Equations ->

Hard, #2307, 2 solutions

Check if There is a Valid Path in a Grid ->

Medium, #1391, 2 solutions

Checking Existence of Edge Length Limited Paths II ->

Hard, #1724, 2 solutions

Checking Existence of Edge Length Limited Paths ->

Hard, #1697, 2 solutions

Connecting Cities With Minimum Cost ->

Medium, #1135, 3 solutions

Count Servers that Communicate ->

Medium, #1267, 2 solutions

Count Sub Islands ->

Medium, #1905, 2 solutions

Count Unreachable Pairs of Nodes in an Undirected Graph ->

Medium, #2316, 2 solutions

Count Valid Paths in a Tree ->

Hard, #2867, 2 solutions

Couples Holding Hands ->

Hard, #765, 3 solutions

Detect Cycles in 2D Grid ->

Medium, #1559, 2 solutions

Distance to a Cycle in Undirected Graph ->

Hard, #2204, 2 solutions

Divide Nodes Into the Maximum Number of Groups ->

Hard, #2493, 2 solutions

Evaluate Division ->

Medium, #399, 3 solutions

Find All People With Secret ->

Hard, #2092, 2 solutions

Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree ->

Hard, #1489, 2 solutions

Find if Path Exists in Graph ->

Easy, #1971, 2 solutions

Find the Safest Path in a Grid ->

Medium, #2812, 2 solutions

Find the String with LCP ->

Hard, #2573, 2 solutions

Find the Weak Connected Component in the Directed Graph ->

Medium, #432, 1 solutions

Friend Circles ->

Medium, #547, 3 solutions

GCD Sort of an Array ->

Hard, #1998, 2 solutions

Graph Valid Tree ->

Medium, #261, 4 solutions

Greatest Common Divisor Traversal ->

Hard, #2709, 2 solutions

Groups of Strings ->

Hard, #2157, 2 solutions

Is Graph Bipartite? ->

Medium, #785, 2 solutions

Graph Connectivity With Threshold ->

Hard, #1627, 2 solutions

Largest Component Size by Common Factor ->

Hard, #952, 3 solutions