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388
Transformation
391
Калькулятор
Very easy
393
Реформа английского языка
Hard
396
Дождь
Very easy
397
Сумма
Very hard
404
Building
Very easy
408
Fence
Very easy
412
Jammed
Easy
413
Euclid 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
Возвышенность
Very easy
475
Шифр
Very easy
1
2
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4
5
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85