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Problems

Brute force
Difficulty
Sort by
10965
Щасливі квитки
11014
Robot vacuum cleaner
Hard
11018
Паліндром
Very easy
11068
Ksonya and the Alphabet Circle
Very easy
11069
Ксоня та двокольорова фігура
Easy
11070
Xonya and graph
Hard
11081
Electronic lock
11084
Super lucky tickets
Very easy
11097
Day off
Hard
11104
A Very Different Word
Easy
11107
GCD vs. XOR
Easy
11110
Patrol Drone
11112
Strange Sequence
11133
Boris and Berta
Medium
11134
Clean Up!
Very easy
11399
Lucky numbers
Very hard
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