Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
zerokelvin
Sign in
Md Jubayer Hossain Jisan
zerokelvin
Advanced
Bangladesh
Bangladesh
Joined Mar 6, 2026
Achievements (54)
Hello WorldEasy StartTough NutHardmodeSea LionWeekend ParticipantBlitz Participantx3ExplorerStudent
OverviewRatingAchievements
Rating
1268
Problems19
Submissions19

Rating evolution

9月
10月
11月
12月
2021
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2022
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2023
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2024
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2025
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2026
2月
3月
4月
5月
6月
7月
zerokelvin earned achievement Student1个月前
zerokelvin earned achievement Explorer1个月前
zerokelvin has joined contest EJOI 2026 - Day 11个月前
zerokelvin solved problem GCD of two numbers (#1601) on first attempt2个月前
zerokelvin has completed the contest Blitz Round #22 and scored 50 points2个月前
zerokelvin solved problem Nasser's Five (#12478) on 2 attempt2个月前
zerokelvin has joined contest CPIC. Lesson 7. Recursive functions2个月前
zerokelvin has joined contest Blitz Round #222个月前
zerokelvin has completed the contest Blitz Round #18 and scored no score4个月前
zerokelvin has joined contest Blitz Round #184个月前
zerokelvin solved problem 67 in 2026? (#12418) on first attempt5个月前
zerokelvin has joined contest Blitz Round #175个月前
zerokelvin has joined contest Eolymp April Fools #15个月前
zerokelvin has completed the contest Weekend Practice #21 and scored 100 points5个月前
zerokelvin solved problem Team Building 2 (#12411) on first attempt5个月前
zerokelvin has joined contest Weekend Practice #21 5个月前
zerokelvin solved problem Olympiad (#125) on first attempt5个月前
zerokelvin has joined contest Blitz Round #165个月前
zerokelvin has completed the contest KNU Student Olympiad 2026, 1 stage (Mirror) and scored 300 points5个月前
zerokelvin solved hidden problem on first attempt5个月前
zerokelvin solved hidden problem on first attempt5个月前
zerokelvin solved hidden problem on first attempt5个月前
zerokelvin has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 5个月前
zerokelvin solved problem Corona2020 (#10029) on first attempt6个月前
zerokelvin solved problem Weighing (#1993) on 3 attempt6个月前