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Brute force
Difficulty
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5083
Sum of digits
Very easy
5116
Robot assembler
Very easy
5123
Hailstone HOTPO
5130
Windmill Animation
5153
ОШЭСМ-43
Easy
5202
Преферанс
Very hard
5228
Palindrome
Very easy
5243
Реверси
Very hard
5249
Две строки (Easy)
Easy
5250
Две строки
Very hard
5252
Пенальти
Easy
5258
Подарки
Medium
5264
Новая проблема
Easy
5265
Петя Слоников
Very easy
5288
Общая подстрока (Easy)
5290
Substring (Easy)
Very easy
5300
Магический квадрат
Medium
5303
Twelve
5313
Матрица (Easy)
Very hard
5341
The Alliances
Very hard
5342
An Arithmetic Rectangle
5345
PIN
Very hard
5382
Усталость и терпение
Very easy
5384
Конкурс пар
5386
Greatest Common Divisor
Easy
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