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uknowwhoistechno
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Rafan Haizar
uknowwhoistechno
Newbie
Bangladesh
Joined Feb 22, 2026
Achievements (52)
x2
Overview
Rating
Achievements
Posts
Rating
879
Problems
9
Submissions
9
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2021
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2022
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2023
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2024
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2025
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2026
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uknowwhoistechno
earned achievement
Explorer
10 日前
uknowwhoistechno
has completed the contest
Weekend Practice #20
and scored no score
5 か月前
uknowwhoistechno
has joined contest
Educational Round #9
5 か月前
uknowwhoistechno
has joined contest
Weekend Practice #20
5 か月前
uknowwhoistechno
has completed the contest
Blitz Round #15
and scored 75 points
5 か月前
uknowwhoistechno
solved problem
Please be easy! (#12361)
on 2 attempt
5 か月前
uknowwhoistechno
has joined contest
Blitz Round #15
5 か月前
uknowwhoistechno
has completed the contest
Blitz Round #14
and scored no score
5 か月前
uknowwhoistechno
has joined contest
Blitz Round #14
5 か月前
uknowwhoistechno
solved problem
What type of triangle? (#905)
on 2 attempt
6 か月前
uknowwhoistechno
solved problem
Digit Queries (#12312)
on first attempt
6 か月前
uknowwhoistechno
solved problem
Bouncing Ball (#12311)
on first attempt
6 か月前
uknowwhoistechno
has joined contest
Blitz Round #10
6 か月前
uknowwhoistechno
solved problem
Kaosar and AND (#12324)
on first attempt
6 か月前
uknowwhoistechno
solved problem
Increase by 2 (#904)
on first attempt
6 か月前
uknowwhoistechno
solved problem
Sum of squares (#519)
on first attempt
6 か月前
uknowwhoistechno
solved problem
Digits (#2)
on first attempt
6 か月前
uknowwhoistechno
solved problem
Simple problem (#1)
on first attempt
6 か月前
