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Problems

Math
Difficulty
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4189
Long Python
Easy
4191
Vampire Numbers
Easy
4192
Olympiad
4193
Yalynky
Easy
4194
Series of numbers
Medium
4196
Chocolate bars
Very easy
4208
Degrees of two
Easy
4214
A + B = C
Medium
4222
Counting Pixels
4238
Hypercubes
Very easy
4244
Show
Medium
4249
God Create Math
Very easy
4253
TianWang`s Game
Very hard
4263
30 chairs
Very easy
4271
Parencedence!
Easy
4283
Stepan and pairs
Very easy
4285
Stepan's Candy Problem
Hard
4296
Counting 1`s
4306
Sets
Easy
4318
Discrete Logarithm
Easy
4335
Feather on the Shaman's Head
4341
Aztec Treasure
Hard
4343
Flags for Provinces
4347
Salary for Robots
Very easy
4354
The problem about the chest
Medium
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