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Problems
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Problems

Topics
Difficulty
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2542
Form guide
2543
Cracking Tree Codes
Medium
2544
uHunt
Medium
2545
Moose Calf
Very easy
2546
Forks and knives
Very easy
2547
Squirrel
Easy
2548
Symmetrical Glade
Easy
2549
Papa Carlo
Very easy
2550
Not so trivial problem
Very hard
2551
Sort by sum of digits
Very hard
2552
Roman numerals
Very hard
2553
Image and Shadow
Very hard
2554
Magic Square
Medium
2555
GLONASS
2556
Space competition
2557
Color game
Very hard
2558
Serial Numbers
2559
Processor's Game
Very hard
2560
Secret — MAX
Very hard
2561
Safety Grade
Medium
2562
Search by template
Medium
2563
Roots Intervals
Easy
2564
Palindromic Dates
2565
Post Offices
2566
Choosing a Camera
Medium
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