Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
k2020
Sign in
Oleh Chumachenko
k2020
Ukraine
Ukraine
Joined Dec 19, 2020
Achievements (2)
Problem Solver 2Problem Solver
OverviewAchievementsPosts

Problems234
Submissions418
Jul
Aug
Sep
Oct
Nov
Dec
2021
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2022
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2023
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2024
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2025
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2026
Feb
Mar
Apr
May
k2020 solved problem Maximum digit in a number (#8630) on first attempt7 months ago
k2020 solved problem The first digit of the number (#8243) on first attempt7 months ago
k2020 solved problem Degrees of two (#8917) on 8 attempt7 months ago
k2020 solved problem Minimum among the larger (#8900) on first attempt7 months ago
k2020 solved problem Find the sum (#8546) on 3 attempt7 months ago
k2020 solved problem Squares of numbers (#8544) on 2 attempt7 months ago
k2020 has joined contest PP C, Week 4: While loop Part 17 months ago
k2020 solved problem Repair (#500) on first attempt8 months ago
k2020 solved problem Кава (#10922) on first attempt8 months ago
k2020 solved problem Four-digit Armstrong numbers (#8642) on first attempt8 months ago
k2020 solved problem Egypt (#1265) on 2 attempt8 months ago
k2020 has joined contest Educational Round #18 months ago
k2020 has joined contest Educational Round #28 months ago
k2020 solved problem Number of maximums (#7832) on first attempt8 months ago
k2020 has joined contest Educational Round #38 months ago
k2020 solved problem Windy weather (#5713) on first attempt9 months ago
k2020 solved problem Find Minimum (#5328) on first attempt9 months ago
k2020 solved problem Smallest divisor (#8927) on 3 attempt9 months ago
k2020 solved problem Modular Exponentiation (#273) on first attempt9 months ago
k2020 solved problem Print squares and cubes (#8532) on first attempt9 months ago
k2020 solved problem Stand in order (#5325) on 5 attempt9 months ago
k2020 solved problem Perfect square (#8877) on 3 attempt9 months ago
k2020 solved problem Integer (#8876) on 2 attempt9 months ago
k2020 solved problem Conditional statement - 5 (#8613) on 2 attempt9 months ago
k2020 solved problem Two digits in a row (#8626) on 3 attempt9 months ago