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k2020
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Oleh Chumachenko
k2020
Ukraine
Ukraine
Joined Dec 19, 2020
Achievements (2)
Problem Solver 2Problem Solver
OverviewAchievementsPosts
Problems234
Submissions418
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k2020 solved problem Maximum digit in a number (#8630) on first attempt3 か月前
k2020 solved problem The first digit of the number (#8243) on first attempt3 か月前
k2020 solved problem Degrees of two (#8917) on 8 attempt3 か月前
k2020 solved problem Minimum among the larger (#8900) on first attempt3 か月前
k2020 solved problem Find the sum (#8546) on 3 attempt3 か月前
k2020 solved problem Squares of numbers (#8544) on 2 attempt3 か月前
k2020 has joined contest PP C, Week 4: While loop Part 13 か月前
k2020 solved problem Repair (#500) on first attempt4 か月前
k2020 solved problem Кава (#10922) on first attempt4 か月前
k2020 solved problem Four-digit Armstrong numbers (#8642) on first attempt4 か月前
k2020 solved problem Egypt (#1265) on 2 attempt4 か月前
k2020 has joined contest Educational Round #14 か月前
k2020 has joined contest Educational Round #24 か月前
k2020 solved problem Number of maximums (#7832) on first attempt4 か月前
k2020 has joined contest Educational Round #34 か月前
k2020 solved problem Windy weather (#5713) on first attempt5 か月前
k2020 solved problem Find Minimum (#5328) on first attempt5 か月前
k2020 solved problem Smallest divisor (#8927) on 3 attempt5 か月前
k2020 solved problem Modular Exponentiation (#273) on first attempt5 か月前
k2020 solved problem Print squares and cubes (#8532) on first attempt5 か月前
k2020 solved problem Stand in order (#5325) on 5 attempt5 か月前
k2020 solved problem Perfect square (#8877) on 3 attempt5 か月前
k2020 solved problem Integer (#8876) on 2 attempt5 か月前
k2020 solved problem Conditional statement - 5 (#8613) on 2 attempt5 か月前
k2020 solved problem Two digits in a row (#8626) on 3 attempt5 か月前