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Problems

Implementation
Difficulty
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4317
A Task for a Second Grader
Medium
4340
Army of Mages
Very easy
4344
Loyd`s Problem
Very hard
4353
Happy Birthday!!!
Very easy
4354
The problem about the chest
Medium
4366
Game with palindroms
Very easy
4373
Quadratic equation
Very hard
4376
Oxymoron
Medium
4381
Express delivery
Very hard
4388
Meeting place can not be changed
Easy
4389
Intersection of nonconvex polygons
Very hard
4395
Sea Battle
Medium
4397
Wandering Circus
Very easy
4398
The Lair of Computer Shamans
Medium
4400
For kefir!
Easy
4403
Decree of the Wise Leader
Easy
4404
Quite a problem
Very easy
4422
Trains
Medium
4423
Transfer points
Very easy
4427
Chinese clock
Medium
4428
Intersection of Rectangles
Very easy
4429
Kasi
Easy
4432
Tom Sawyer and His Friends
Easy
4437
Remove the parentheses
Very easy
4438
Mathematics and Brackets
Easy
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