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4154
Charlie the Cockchafer
Medium
4155
Hryhorii the Grasshopper
Very easy
4156
Lisa the Ladybug
Hard
4157
Mosquito Multiplication
Easy
4158
Rhinoceros Beetle
Medium
4159
Simon the Spider
Medium
4160
Many lines
Hard
4161
Legends and Myths of Southern Butovo
Very hard
4162
Suffix tree
Easy
4163
Convex Permutomino
Hard
4164
Suffix automaton
Medium
4165
Heroes 2
Very hard
4166
Gandhi and Dundee
Hard
4167
Chupacabras vs mothmen
Very easy
4168
A night in the Library
Very easy
4169
Plotter
Hard
4170
Mixing liquids
Medium
4171
Christmas Lights Assembly
Very easy
4172
Pattern matching
Very hard
4173
Tree
Very hard
4174
Rally
Hard
4175
Again About Prime Numbers
Medium
4176
DNA Transformation
Easy
4177
Estate
Easy
4178
NP Knapsack problem
Medium
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