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David2.0
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Давид
David2.0
Student
Ukraine
Ukraine
Joined Jan 9, 2023
Achievements (54)
Hello WorldEasy StartTough NutHardmodeHalfway ThereBy a whiskerSea LionExplorer
OverviewRatingAchievements
Rating
1092
Problems78
Submissions102
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David2.0 has joined contest Fibonacci numbers19天前
David2.0 has completed the contest EJOI 2026 - Day 2 and scored 3 points1个月前
David2.0 earned achievement Explorer1个月前
David2.0 has joined contest EJOI 2026 - Day 21个月前
David2.0 has joined contest EJOI 2026 - Day 11个月前
David2.0 has joined contest UOI 2026. Day 12个月前
David2.0 has joined contest UOI 2026. Day 24个月前
David2.0 solved hidden problem on 5 attempt5个月前
David2.0 has joined contest IOI 2021 - Day 15个月前
David2.0 has joined contest EJOI 2025 - Day 15个月前
David2.0 solved problem Why Did the Cow Cross the Road III (Gold) (#10540) on first attempt6个月前
David2.0 solved problem Building a Fenwick Tree (#8247) on 3 attempt6个月前
David2.0 solved problem Minimum and maximum connected component (#11453) on first attempt6个月前
David2.0 solved problem Connected components (#2269) on 3 attempt6个月前
David2.0 solved problem Union of Sets (#2927) on first attempt6个月前
David2.0 solved problem Almost Union-Find (#2047) on 16 attempt6个月前
David2.0 solved problem Disjoint Sets Union 2 (#10814) on 3 attempt6个月前
David2.0 solved problem Disjoint Sets Union (#10811) on 3 attempt6个月前
David2.0 solved problem Ancestors (#437) on 2 attempt6个月前
David2.0 solved problem Changing on a Segment (High) (#2875) on first attempt6个月前
David2.0 solved problem Route in the matrix (#4110) on first attempt2年前
David2.0 solved problem Dwarf Tower (#6263) on first attempt2年前
David2.0 solved problem Brackets (#1994) on first attempt2年前
David2.0 solved problem Guess the number (#10435) on first attempt3年前
David2.0 solved problem Tom Sawyer and His Friends (#4432) on 7 attempt3年前