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kostaq
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Костя Жук
kostaq
Skilled
Ukraine
Ukraine
Joined Feb 15, 2023
Achievements (2)
Problem Solver 2Problem Solver
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1327
Problems234
Submissions408

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kostaq has joined contest UOI 2026. Day 11 month ago
kostaq solved problem Медіанне божевілля (#10765) on first attempt1 month ago
kostaq solved problem Guess the number (#10435) on 7 attempt1 month ago
kostaq solved hidden problem on first attempt1 month ago
kostaq has joined contest EJOI 2025 - Day 21 month ago
kostaq solved hidden problem on first attempt1 month ago
kostaq solved hidden problem on 3 attempt2 months ago
kostaq solved problem Diameter of the graph (#1796) on 2 attempt2 months ago
kostaq solved hidden problem on 4 attempt2 months ago
kostaq has joined contest EJOI 2025 - Day 12 months ago
kostaq solved problem Nasser's OR Removal (#12433) on first attempt2 months ago
kostaq solved problem Falling Multiset (#12415) on 2 attempt2 months ago
kostaq solved problem Nasser's Prime Slices (#12432) on 4 attempt2 months ago
kostaq solved problem Closed Subsets (#12414) on 3 attempt2 months ago
kostaq solved problem Bubble XOR Sort (#12413) on 2 attempt2 months ago
kostaq solved problem The End Dimension (#12420) on 3 attempt2 months ago
kostaq solved problem ILOVEPRODUCT (#12422) on 7 attempt2 months ago
kostaq solved problem Prefixmaxxing (#12421) on 11 attempt2 months ago
kostaq solved problem Majestic Numbers (#12419) on first attempt2 months ago
kostaq solved problem 67 in 2026? (#12418) on first attempt2 months ago
kostaq solved hidden problem on first attempt3 months ago
kostaq solved hidden problem on 2 attempt3 months ago
kostaq solved hidden problem on first attempt3 months ago
kostaq solved hidden problem on 2 attempt3 months ago
kostaq has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 3 months ago