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peaceful_lehmann_180
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Dezhonger Zhang
peaceful_lehmann_180
Specialist
Joined Oct 23, 2025
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1507
Problems71
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2026
peaceful_lehmann_180 solved problem Super palindromes (#470) on first attempt6 days ago
peaceful_lehmann_180 solved problem Distance in Tree (#4104) on first attempt6 days ago
peaceful_lehmann_180 solved problem Chasing a butterfly (#11058) on first attempt6 days ago
peaceful_lehmann_180 solved problem Drying (#5363) on first attempt6 days ago
peaceful_lehmann_180 solved problem What is the probability? (#1571) on first attempt6 days ago
peaceful_lehmann_180 solved problem Locked Treasure (#7534) on first attempt6 days ago
peaceful_lehmann_180 solved problem Hotels Along the Croatian Coast (#10682) on first attempt6 days ago
peaceful_lehmann_180 solved problem Stepan and pairs (#4283) on first attempt6 days ago
peaceful_lehmann_180 solved problem Calculator (#1427) on first attempt6 days ago
peaceful_lehmann_180 solved problem Number of toys (#927) on first attempt6 days ago
peaceful_lehmann_180 has joined contest Educational Round #86 days ago
peaceful_lehmann_180 solved problem Morjani and buildings (#12330) on first attempt17 days ago
peaceful_lehmann_180 has joined contest Weekend Practice #1817 days ago
peaceful_lehmann_180 solved problem Vasya and matrix (#3535) on first attempt23 days ago
peaceful_lehmann_180 solved problem Grassland Fence (#1526) on first attempt23 days ago
peaceful_lehmann_180 solved problem Cutting a stick (#11261) on first attempt23 days ago
peaceful_lehmann_180 solved problem Transport system (#9635) on first attempt23 days ago
peaceful_lehmann_180 solved problem Reverse the graph (#10048) on first attempt23 days ago
peaceful_lehmann_180 solved problem Minimum spanning tree (#981) on first attempt23 days ago
peaceful_lehmann_180 solved problem Expected Minimum Power (#11262) on first attempt23 days ago
peaceful_lehmann_180 solved problem Breed Counting (#11159) on 2 attempt23 days ago
peaceful_lehmann_180 solved problem Arithmetic mean for figure skaters (#7368) on first attempt24 days ago
peaceful_lehmann_180 solved problem Massive Numbers (#1213) on first attempt24 days ago
peaceful_lehmann_180 has joined contest Educational Round #724 days ago
peaceful_lehmann_180 has completed the contest Weekend Practice #17 and scored no score1 month ago