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Alexander2021
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Александр Гауптман
Alexander2021
Student
Ukraine
Ukraine
Joined Jan 20, 2021
Achievements (2)
Problem Solver 2Problem Solver
OverviewRatingAchievementsPosts
Rating
1096
Problems483
Submissions867

Rating evolution

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Alexander2021 solved problem Product of digits (#1116) on 4 attempt1 日前
Alexander2021 solved problem Product of digits (#194) on first attempt1 日前
Alexander2021 has completed the contest Weekend Practice #21 and scored no score3 日前
Alexander2021 has joined contest Weekend Practice #21 3 日前
Alexander2021 solved problem Product of digits (#9542) on 12 attempt5 日前
Alexander2021 solved problem White cubes (#478) on first attempt7 日前
Alexander2021 solved problem EVEN LOVE (#12380) on 7 attempt9 日前
Alexander2021 solved problem A big plus (#1966) on first attempt10 日前
Alexander2021 has completed the contest Blitz Round #16 and scored 150 points10 日前
Alexander2021 solved problem FindMaxLessSum (#12381) on 4 attempt10 日前
Alexander2021 has completed the contest KNU Student Olympiad 2026, 1 stage (Mirror) and scored 212 points10 日前
Alexander2021 has joined contest Blitz Round #1610 日前
Alexander2021 solved hidden problem on first attempt11 日前
Alexander2021 solved hidden problem on first attempt11 日前
Alexander2021 solved problem The length of a circle (#9576) on first attempt11 日前
Alexander2021 has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 11 日前
Alexander2021 solved problem Triangle (#2732) on 2 attempt18 日前
Alexander2021 solved problem Triangle 2 (#8884) on first attempt18 日前
Alexander2021 solved problem We are making cuts (#4724) on first attempt18 日前
Alexander2021 solved problem Password (#8382) on first attempt25 日前
Alexander2021 solved problem Previous even integer (#8886) on first attempt1 か月前
Alexander2021 solved problem Next even integer (#8888) on first attempt1 か月前
Alexander2021 solved problem Next odd integer (#8887) on first attempt1 か月前
Alexander2021 solved problem The level of palindrome (#29) on 3 attempt2 か月前
Alexander2021 solved problem Pies (#7336) on first attempt2 か月前