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Problems

Graphs
Difficulty
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2852
Happy Birthday
Very easy
2859
Monad
Easy
2869
Lame King High
2870
Lame King Junior
Very easy
2889
Autotourism
Very easy
2898
Peaceful Horses
2903
Parking
Very easy
2904
Rook Attack
Very easy
2925
Rows in the Tree
Hard
2931
Dima and the Famous Tourist
Easy
2934
Dima and the permutation
Easy
2945
Intervals
Very hard
2946
Hierarchy
Very hard
2953
Dynamic Forest
Easy
2964
Magnetic Cushions
Very easy
2966
Pink Floyd
Easy
2967
Unification Day
Very easy
2968
Shortest Paths
Very easy
2973
Theory of Six Degrees of Separation
2976
Without lifting the pencil from the paper
Easy
2983
Competition
Medium
2988
Paths
Very hard
2991
Alchemy
2993
Casino
Very hard
2996
Corruption
Very easy
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