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peaceful_lehmann_180
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Dezhonger Zhang
peaceful_lehmann_180
Candidate
Joined Oct 23, 2025
Achievements (1)
Problem Solver
OverviewRatingAchievementsPosts
Rating
1701
Problems108
Submissions134

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peaceful_lehmann_180 has joined contest Blitz Round #1910 days ago
peaceful_lehmann_180 solved hidden problem on 3 attempt11 days ago
peaceful_lehmann_180 solved hidden problem on 2 attempt11 days ago
peaceful_lehmann_180 has joined contest UOI 2026. Day 211 days ago
peaceful_lehmann_180 has completed the contest Blitz Round #18 and scored no score1 month ago
peaceful_lehmann_180 has joined contest Blitz Round #181 month ago
peaceful_lehmann_180 has completed the contest Weekend Practice #22 and scored 1,115 points1 month ago
peaceful_lehmann_180 solved problem Exam for the Night's Watch (#12424) on first attempt1 month ago
peaceful_lehmann_180 solved problem Pitchers (#12427) on 2 attempt1 month ago
peaceful_lehmann_180 solved problem World (#12426) on first attempt1 month ago
peaceful_lehmann_180 solved problem The Language of Westeros (#12425) on first attempt1 month ago
peaceful_lehmann_180 solved problem Coding Errors (#12423) on first attempt1 month ago
peaceful_lehmann_180 has joined contest Weekend Practice #221 month ago
peaceful_lehmann_180 solved problem City Horizon (#7747) on first attempt1 month ago
peaceful_lehmann_180 solved problem Bread Sorting (#6828) on first attempt1 month ago
peaceful_lehmann_180 solved problem Theodore Roosevelt (#2299) on first attempt1 month ago
peaceful_lehmann_180 solved problem Square (#7757) on first attempt1 month ago
peaceful_lehmann_180 solved problem YAPTCHA (#5730) on first attempt1 month ago
peaceful_lehmann_180 solved problem Testing System (#4416) on first attempt1 month ago
peaceful_lehmann_180 solved problem Sequence (#1083) on first attempt1 month ago
peaceful_lehmann_180 solved problem Sum of squares Cnk (#11271) on first attempt1 month ago
peaceful_lehmann_180 solved problem Perfect square (#8877) on first attempt1 month ago
peaceful_lehmann_180 solved problem Sum and amount (#8684) on first attempt1 month ago
peaceful_lehmann_180 has joined contest Educational Round #101 month ago
peaceful_lehmann_180 has completed the contest Blitz Round #17 and scored no score2 months ago