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Problems

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Difficulty
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16
Dragon
Easy
19
Degree of symmetry
Very easy
28
Product
Medium
31
Superstitious Santa Claus
Very easy
45
The Fuel
Very easy
47
The Parquet of the Triangles
Easy
53
Anfisa’s Holiday
Easy
54
Murzyk
Medium
69
Vinnis’ Friends
Very easy
72
The Way Home
Very easy
83
Gnome’s toys
Very easy
84
Transfer
Easy
85
Spiral
Very easy
89
Cube Painting
Very easy
91
A Piece of Paper
Very hard
94
Primes’ Problem
Easy
95
No More Hapalies!
Very easy
113
Balloons
Very easy
125
Olympiad
Very easy
131
Words
Very easy
139
Population of Robots
Easy
141
The minimal sum of digits
Very easy
145
Squares
Very easy
147
Number of days
Medium
156
Two-dimensional domino
Easy
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