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Problems

Topics
Difficulty
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4131
Non-boring sequences
Very easy
4132
Word equations
Very easy
4133
Farm and factory
Very easy
4134
Jewel heist
Medium
4135
Darts
4136
The Dragon and the knights
4137
Conservation
4138
Graphic Madness
Very hard
4139
Good days
Easy
4140
Connection and Disconnection
Easy
4141
Number submission
Very easy
4142
The Great XOR
Very easy
4143
Artist
Very easy
4144
Batch Scheduling
Very easy
4145
Mountains
Very hard
4146
Binary Search Tree 1
Very easy
4147
Binary Search Tree 2
Medium
4148
Chocolate bar
Very easy
4149
Interview at "Lights Out"
Medium
4150
Balance it!
Easy
4151
Painting the Fence
Medium
4152
Andrew the Ant
4153
Software Bugs
Very easy
4154
Charlie the Cockchafer
Medium
4155
Hryhorii the Grasshopper
Very easy
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