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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
OverviewRatingAchievementsPosts
Rating
1327
Problems234
Submissions408
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Rating evolution

kostaq has joined contest UOI 2026. Day 16 日前
kostaq solved problem Медіанне божевілля (#10765) on first attempt7 日前
kostaq solved problem Guess the number (#10435) on 7 attempt7 日前
kostaq solved hidden problem on first attempt10 日前
kostaq has joined contest EJOI 2025 - Day 210 日前
kostaq solved hidden problem on first attempt10 日前
kostaq solved hidden problem on 3 attempt14 日前
kostaq solved problem Diameter of the graph (#1796) on 2 attempt15 日前
kostaq solved hidden problem on 4 attempt15 日前
kostaq has joined contest EJOI 2025 - Day 117 日前
kostaq solved problem Nasser's OR Removal (#12433) on first attempt22 日前
kostaq solved problem Falling Multiset (#12415) on 2 attempt23 日前
kostaq solved problem Nasser's Prime Slices (#12432) on 4 attempt24 日前
kostaq solved problem Closed Subsets (#12414) on 3 attempt29 日前
kostaq solved problem Bubble XOR Sort (#12413) on 2 attempt29 日前
kostaq solved problem The End Dimension (#12420) on 3 attempt29 日前
kostaq solved problem ILOVEPRODUCT (#12422) on 7 attempt1 か月前
kostaq solved problem Prefixmaxxing (#12421) on 11 attempt1 か月前
kostaq solved problem Majestic Numbers (#12419) on first attempt1 か月前
kostaq solved problem 67 in 2026? (#12418) on first attempt1 か月前
kostaq solved hidden problem on first attempt1 か月前
kostaq solved hidden problem on 2 attempt1 か月前
kostaq solved hidden problem on first attempt1 か月前
kostaq solved hidden problem on 2 attempt1 か月前
kostaq has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 1 か月前