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Problems

Implementation
Difficulty
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2977
Croatian cube
Very easy
2982
Funny Confusion
Very easy
2984
Abracadabra
Easy
2986
Cubes
Easy
2987
Polygons
Very easy
2995
The extra digits
Medium
2997
Friday - 13
Medium
2998
Leaf in the cage
Easy
3002
Tournament
Very easy
3006
Penalty
Easy
3007
Correct Boards
Easy
3008
Elevator
Hard
3019
Typesetting
Medium
3026
Rock Skipping
3028
Family Relay
Hard
3035
Triomino
Easy
3039
Coloring
Very easy
3043
Class Statistics
3045
Roll Call
3061
Inner Vertices
Very easy
3062
Islands
Very easy
3066
Cybercrime Donut Investigation
3069
Guess the Numbers
3071
Peer Review
3074
Graph Theory
Very easy
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