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Problems

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2013
Area of ​​the hexagon
Very easy
2014
Lucky Number
Very easy
2015
Game XOR
2017
Determinant of the matrix
Easy
2018
Minimal d-rate
Medium
2019
Fibonacci sequence
Medium
2020
Subsequence
Medium
2021
Tree
Very easy
2022
Cycles in the graph
Medium
2023
Distance to Polygon
Medium
2024
A triangle of maximal area
Hard
2025
Complex game XOR
Very easy
2026
LOGO
Easy
2027
Point and the circle
Very easy
2028
y = sin x
Medium
2029
Ring
Medium
2030
y = cos x
Medium
2031
Fibonacci sequence
Very easy
2032
y =| sin(2x)|
Medium
2033
Minimum number of bills
Very easy
2034
WERTYU
Very easy
2035
Crypt Kicker
Hard
2036
Age
Easy
2037
Crypt Kicker II
Medium
2038
URL Comparison
Hard
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