Azerbaijan Computing Olympiad
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553
The sum of the first and the last digits in the number
Very easy
554
The first digit of the number
Very easy
555
All digits are even
Very easy
556
Numbers with different digits
Very easy
557
Exchange
Very easy
558
Degree of symmetry
Very easy
559
Clocks
Easy
560
Turtle
Medium
561
Clever turtle
Easy
562
Turtle
Medium
563
Turtle Knight
Medium
564
Mouse and corns
Medium
565
Bishops
Hard
566
North East King
Medium
567
Puzzle multiplication
Medium
568
Skyscrapers
Hard
569
Cutting a stick
Medium
570
Super palindromes
Hard
571
Palindromes
Medium
572
Removing the letters
Medium
573
Sticks
Hard
574
Grassland Fence
Hard
575
Image Traders
Medium
576
Nuts for nuts
Medium
577
The post office
Medium
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