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peaceful_lehmann_180
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Dezhonger Zhang
peaceful_lehmann_180
Candidate
Joined Oct 23, 2025
Achievements (54)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitProblem SolverSea LionPhoto FinishBuzzer BeaterWeekend Participantx7Blitz Participantx13Blitz Winner
OverviewRatingAchievements
Rating
1707
Problems138
Submissions170

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peaceful_lehmann_180 has joined contest USACO 2015 January5 hours ago
peaceful_lehmann_180 has completed the contest Weekend Practice #26 and scored no score8 days ago
peaceful_lehmann_180 has joined contest Weekend Practice #2610 days ago
peaceful_lehmann_180 has completed the contest Weekend Practice #25 and scored no score20 days ago
peaceful_lehmann_180 solved problem Fibonacci Fever (#12483) on first attempt21 days ago
peaceful_lehmann_180 solved problem Sum in field (#12318) on first attempt21 days ago
peaceful_lehmann_180 solved problem Field modulo (#12317) on first attempt21 days ago
peaceful_lehmann_180 solved problem Fibonacci number (#2292) on first attempt21 days ago
peaceful_lehmann_180 solved problem Domino (#4469) on 2 attempt21 days ago
peaceful_lehmann_180 solved problem Flags (#9558) on first attempt21 days ago
peaceful_lehmann_180 solved problem Binary password (#7438) on first attempt21 days ago
peaceful_lehmann_180 has joined contest Weekend Practice #2522 days ago
peaceful_lehmann_180 solved problem Honeycomb (#5092) on first attempt24 days ago
peaceful_lehmann_180 solved problem Explosive containers (#5091) on first attempt24 days ago
peaceful_lehmann_180 solved problem Koza Nostra (#5103) on first attempt24 days ago
peaceful_lehmann_180 solved problem Fibonacci strings generation (#8295) on first attempt24 days ago
peaceful_lehmann_180 solved problem Fibonacci problem again (#1250) on first attempt24 days ago
peaceful_lehmann_180 solved problem Fibonacci numbers (#2421) on first attempt24 days ago
peaceful_lehmann_180 solved problem Three ones (#263) on first attempt24 days ago
peaceful_lehmann_180 solved problem Fibonacci (#4730) on first attempt24 days ago
peaceful_lehmann_180 has joined contest Fibonacci numbers24 days ago
peaceful_lehmann_180 has joined contest EJOI 2026 - Day 21 month ago
peaceful_lehmann_180 earned achievement Specialist1 month ago
peaceful_lehmann_180 earned achievement Student1 month ago
peaceful_lehmann_180 earned achievement Explorer1 month ago