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Problems
Brute force
Difficulty
Clear all
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5734
Morphing is fun
5737
Two professors
Very easy
5745
File Retrieval
5750
King`s Poker
5752
Hidden Password
Very easy
5755
Lord of the Ring
5757
Firefighters
5762
Test
Medium
5776
Phigon
Very hard
5788
Stopped Watches
5792
Search of Concatenated Strings
Very hard
5798
Number
Very easy
5819
Heat exchange
Very hard
5823
Interesting language
Very hard
5882
Asterisk
Medium
5892
Divisibility by 8
Easy
5894
Triplets
Very easy
5903
Различные суммы
Easy
5910
Isomorphisms
5921
Word number
Easy
5922
Divisibility by 2^N
Easy
5949
Palindromes
Very hard
5958
Triangulation
Easy
5970
F(4)-decomposition
5972
Solution of the machine equation
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33