Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
chas-_-
Sign in
Artem
chas-_-
Candidate
Ukraine
Ukraine
Joined Aug 7, 2020
Achievements (1)
Problem Solver
OverviewRatingAchievementsPosts
Rating
1709
Problems167
Submissions237

Rating evolution

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
chas-_- solved problem Invert a bit (#5316) on first attempt16 days ago
chas-_- solved problem Set a bit (#5315) on first attempt16 days ago
chas-_- solved problem 2^k + 2^n (#5314) on first attempt16 days ago
chas-_- solved problem Golden sand (#3736) on 3 attempt2 months ago
chas-_- solved problem Knapsack (#4831) on first attempt2 months ago
chas-_- has joined contest Blitz Round #162 months ago
chas-_- has joined contest Blitz Round #172 months ago
chas-_- solved problem The largest average (#1477) on first attempt2 months ago
chas-_- solved problem Price labels (#2661) on first attempt2 months ago
chas-_- solved problem Kozak Vus and Clever Palindromes (#10256) on first attempt2 months ago
chas-_- solved problem A*B*C (#10481) on first attempt2 months ago
chas-_- solved problem From base k to base 10 (#4754) on first attempt3 months ago
chas-_- solved problem Binary vs. Negative Binary (#2693) on 2 attempt3 months ago
chas-_- solved problem The young hacker (#1956) on first attempt3 months ago
chas-_- has joined contest Exploring Recursion3 months ago
chas-_- has joined contest Two pointers technique3 months ago
chas-_- has joined contest ADA Training Camp - Day 43 months ago
chas-_- solved problem Breadth First Search (#2401) on 2 attempt3 months ago
chas-_- has completed the contest Blitz Round #15 and scored 625 points3 months ago
chas-_- solved problem The Honoured One (#12366) on 12 attempt3 months ago
chas-_- solved problem Kaosar and EM ( > w < ) (#12365) on 2 attempt3 months ago
chas-_- solved problem Yet Another Array Problem (#12363) on first attempt3 months ago
chas-_- solved problem Kaosar and M(ex+od) (#12362) on first attempt3 months ago
chas-_- solved problem Please be easy! (#12361) on 2 attempt3 months ago
chas-_- has joined contest Blitz Round #153 months ago