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roman_leshchuk
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Лещук Роман
roman_leshchuk
Candidate
Ukraine
Ukraine
Joined Feb 17, 2024
Achievements (52)
Hello WorldEasy StartTough NutHardmodeHalfway ThereBy a whiskerSea LionWeekend Participantx3ExplorerStudentSpecialist
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1727
Problems73
Submissions144

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roman_leshchuk solved problem Maximum matching (#1989) on 2 attempt2 days ago
roman_leshchuk earned achievement Specialist21 days ago
roman_leshchuk earned achievement Student21 days ago
roman_leshchuk earned achievement Explorer21 days ago
roman_leshchuk has completed the contest Weekend Practice #24 and scored no score25 days ago
roman_leshchuk has joined contest Weekend Practice #2425 days ago
roman_leshchuk has joined contest BalkOI 2025 - Day 126 days ago
roman_leshchuk has joined contest KPI Open 20262 months ago
roman_leshchuk solved problem Graph 1, 1/2, 1/3, 1/4 (#5471) on first attempt2 months ago
roman_leshchuk has joined contest UOI 2026. Day 13 months ago
roman_leshchuk has completed the contest Weekend Practice #23 and scored 800 points4 months ago
roman_leshchuk solved problem Narfouz in the Center (#12438) on 3 attempt4 months ago
roman_leshchuk solved problem Kaosar and Minimization (#12437) on 14 attempt4 months ago
roman_leshchuk solved problem Kaosar and Count ORz (#12436) on 2 attempt4 months ago
roman_leshchuk solved problem Yes or No (#12435) on 2 attempt4 months ago
roman_leshchuk has joined contest Weekend Practice #234 months ago
roman_leshchuk solved problem The sum of divisors (#1782) on first attempt4 months ago
roman_leshchuk solved problem Haidora and suspicious formula (#12281) on 4 attempt5 months ago
roman_leshchuk solved problem GCD What (#12282) on first attempt5 months ago
roman_leshchuk solved problem Max Trace (#12280) on first attempt5 months ago
roman_leshchuk solved problem The Factorial (#62) on first attempt5 months ago
roman_leshchuk solved problem Gardener-painter (#17) on first attempt5 months ago
roman_leshchuk solved problem Antipalindrome (#2197) on 3 attempt5 months ago
roman_leshchuk solved problem Mail of the Sponsor (#37) on first attempt5 months ago
roman_leshchuk solved problem Epic Subarrays Counting (#12271) on first attempt5 months ago