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Problems

Disjoint set union
Difficulty
Sort by
437
Ancestors
Very easy
543
Money Matters
Very easy
690
Oh, the roads...
Easy
824
Gasoline
Easy
1371
Quick Answer
Very easy
1881
Connect and Disconnect
Easy
1884
CHM
Easy
2047
Almost Union-Find
Very easy
2457
Telephone Network
Very hard
2824
Road Removal
3300
Common Ancestor - 3
Very easy
3977
Red/Blue Spanning Tree
4140
Connection and Disconnection
Easy
4371
Combustion and Connectivity Components
Medium
5339
Gnomes and houses
5347
Another task about trees
Very hard
5417
Never Wait for Weights
5883
Anansi`s Cobweb
Very easy
6456
Redundant Edges
Medium
6584
Disjoint water supply
6604
Joining Couples
7236
Winter
Easy
7864
Cleaning Pipes
Medium
8258
Walk
8798
DSU
Easy
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