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Alexander2021
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Александр Гауптман
Alexander2021
Student
Ukraine
Ukraine
Joined Jan 20, 2021
Achievements (52)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitHalfway ThereBy a whiskerProblem SolverProblem Solver 2Problem Solver 3Sea LionSnake Tamer
OverviewRatingAchievementsPosts
Rating
1096
Problems509
Submissions905

Rating evolution

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Alexander2021 earned achievement Explorer10 日前
Alexander2021 solved problem Hello World! (#1024) on first attempt2 か月前
Alexander2021 solved problem A + B in the binary system (#1001) on first attempt3 か月前
Alexander2021 solved problem a + b Problem (#1000) on first attempt3 か月前
Alexander2021 solved problem 12345 (#990) on first attempt3 か月前
Alexander2021 solved problem Area (#12429) on first attempt4 か月前
Alexander2021 has completed the contest Blitz Round #18 and scored no score4 か月前
Alexander2021 solved problem Sightseeing trip (#7460) on first attempt4 か月前
Alexander2021 solved problem Tourist (#206) on first attempt4 か月前
Alexander2021 solved problem Кава (#10922) on first attempt4 か月前
Alexander2021 solved problem Sums (#859) on first attempt4 か月前
Alexander2021 has joined contest Blitz Round #184 か月前
Alexander2021 solved problem Amicable numbers (#854) on 2 attempt4 か月前
Alexander2021 solved problem Birthday (#858) on 4 attempt4 か月前
Alexander2021 solved problem Long division on a short number (#852) on first attempt4 か月前
Alexander2021 solved problem Sorting time (#972) on first attempt4 か月前
Alexander2021 solved problem Polynomial (#965) on 4 attempt4 か月前
Alexander2021 solved problem The surface area of the pyramid 3 (#956) on first attempt4 か月前
Alexander2021 solved problem The surface area of the pyramid 2 (#954) on first attempt4 か月前
Alexander2021 solved problem The surface area of the pyramid (#952) on first attempt4 か月前
Alexander2021 solved problem Permutation of the words (#963) on first attempt4 か月前
Alexander2021 solved problem Four-digit without middle (#961) on first attempt4 か月前
Alexander2021 solved problem The surface area of the cone (#960) on first attempt4 か月前
Alexander2021 solved problem Surface area of pyramid 4 (#958) on first attempt4 か月前
Alexander2021 solved problem Square root (#957) on first attempt4 か月前