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Problems

Implementation
Difficulty
Sort by
393
Reform of the English Language
Hard
396
Rain
Very easy
397
Sum
Very hard
404
Construction
Very easy
408
Fence
Very easy
412
Jammed
Easy
413
Euclidean Algorithm
Medium
423
Award
Very easy
424
Rectangles
Very easy
438
XML-converter
Hard
441
The most round number
Very easy
444
Battleships
Easy
447
Many number
Hard
450
Spiral
Easy
451
base64
Very hard
453
Restaurants
Hard
454
Changeling
Very hard
458
Black and white graphics
Very easy
462
Keyboard
463
Incorrect addition
Very easy
464
Numbers
Very easy
473
Height
Very easy
475
Шифр
Very easy
479
Cross-stitch Embroidery
Very easy
481
Repeat: how many times to repeat?
Hard
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