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1677
Snake
Easy
1678
Gifts
Easy
1679
Honest Chain
Very easy
1680
Hamiltonian cycle
Easy
1681
Sum of digits
Easy
1682
Spiderman
Easy
1683
Tourist Routes
Easy
1684
Mobile tariff "Cents"
Very easy
1685
Lands of Antarctica
Medium
1686
Fire
Very easy
1687
Digits
Easy
1688
Inheritance
Medium
1689
Durak game
Very easy
1690
Test Work
Very easy
1692
Numerical Intervals
Easy
1695
Students - free of charge!
Very easy
1696
The magic number 23
Very easy
1697
How to become a winner
Very easy
1698
Vasya and his friends
Hard
1699
Segments on the line return
Medium
1700
Segments on the Line Return-2
Very hard
1701
Square Counting
Hard
1702
A Greener World
1703
Left recursion
1704
Clever turtle
1
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