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Problems

Graphs
Difficulty
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5115
Hockey in Ural
Very easy
5129
Mad Veterinarian
Hard
5135
Graph Connectivity
Very easy
5140
Swamp
Easy
5159
Kingdom of Magic
5174
Pete's dad
Easy
5176
Departure
Very hard
5178
Cycle
Easy
5180
Network Breach
Hard
5181
Hitchhiking Across the Galaxy
Easy
5209
Aquarium Seller
Easy
5218
LCA Problem Revisited
Very easy
5219
Caves and Tunnels (Easy)
5220
Verification of models
5221
Alliances
Very hard
5229
Control chain
Very hard
5231
Duty
Medium
5240
Cohesive team
Medium
5245
Boat
Very hard
5271
Viral Ethics
Very easy
5285
Caves and Tunnels
Very hard
5298
Cow barns
Hard
5299
Covering with paths
Easy
5338
Complete graph - 2
5339
Gnomes and houses
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