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7815
Generous Vasya
Very easy
7816
Two trains
7817
Good number
7822
ВІДСУТНІЙ НОМЕР
Very easy
7835
Seven primes
Medium
7839
Sum in sympathetic table
Easy
7840
Joy of computer scientist
Easy
7855
Euclidean TSP
Very easy
7857
Gathering
Medium
7884
Сейф
Easy
7887
Банк
Hard
7914
Golf Bot
Easy
7934
Candle Box
Very easy
8172
Polyhedra
8245
Кратний куб
Hard
8278
Sum of even numbers
Easy
8279
Sum of divisors
8282
Зірки (Stars)
Very easy
8287
Петро підприємець
Easy
8299
ЧАС ДЛЯ КАВИ
Very easy
8362
Multiples
Very easy
8367
Таксі
Easy
8380
Escalator
Easy
8381
How many numbers
Easy
8502
VaR
1
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32
33
34
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41