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Problems

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Difficulty
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346
Progress in artillery continues
Medium
347
A time to scatter stones
Very hard
348
Median sequence
Hard
363
Robots
Hard
373
Software Industry Revolution
Very easy
375
Crystal Collection
Medium
389
Decomposition into simple addends
Medium
392
Gifts
Very easy
399
Bracket Sequences
Very easy
401
Space Station Docking Bay Configuration
Very easy
403
Agent
Easy
405
Crazy Frog
Very easy
415
"Beautiful" permutations
Easy
417
Amount
Hard
429
Game Zuma
Medium
439
Brackets
Easy
464
Numbers
Very easy
465
Permutations
Medium
469
Snooker
Medium
470
Super palindromes
Very easy
482
Tri Tiling
483
Cut frame
Hard
491
Palindrome
Hard
492
Transformations
Easy
516
Help Vasya
Medium
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