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Problems

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Difficulty
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9943
The number of even n-digit numbers
Easy
9944
The number of odd n-digit numbers. Problem 2
Very easy
9945
The number of even n-digit numbers 2
Very easy
9946
The number of odd n-digit numbers is 3
Easy
9947
The number of even n-digit numbers 3
Easy
9948
The number of odd n-digit numbers
Medium
9949
The number of even n-digit numbers is 4
Easy
9952
The number of perfect squares 2
Very easy
9965
Sequence 2
Very easy
9966
Sequence 3
Very easy
11301
Arithmetic mean
Very easy
11332
Online lesson
Very easy
11333
Square
Very easy
11358
Smooth contest
Very easy
11376
Burgers
Very easy
11378
Juice
Very easy
11470
Important Task - 2!
Very easy
11474
Важлива задача - 3!
Very easy
11476
Math Homework on LCM
Easy
11477
Узвар
Easy
11478
Алея з ліхтарями
Medium
11481
Важлива задача - 5!
Very easy
11482
Complete to 9
Easy
11484
Чотиризначне із тризначного
Easy
11486
Count of Positive Integers
Easy
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