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kostaq
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Костя Жук
kostaq
Skilled
Ukraine
Ukraine
Joined Feb 15, 2023
Achievements (54)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitHalfway ThereBy a whiskerProblem SolverProblem Solver 2Sea LionSnake TamerLong Time No AC
OverviewRatingAchievements
Rating
1327
Problems234
Submissions408
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Rating evolution

kostaq earned achievement Packed to the Byte1 month ago
kostaq earned achievement Against the Clock1 month ago
kostaq earned achievement Student1 month ago
kostaq earned achievement Explorer1 month ago
kostaq has joined contest UOI 2026. Day 14 months ago
kostaq solved problem Медіанне божевілля (#10765) on first attempt4 months ago
kostaq solved problem Guess the number (#10435) on 7 attempt4 months ago
kostaq solved hidden problem on first attempt4 months ago
kostaq has joined contest EJOI 2025 - Day 24 months ago
kostaq solved hidden problem on first attempt4 months ago
kostaq solved hidden problem on 3 attempt4 months ago
kostaq solved problem Diameter of the graph (#1796) on 2 attempt4 months ago
kostaq solved hidden problem on 4 attempt4 months ago
kostaq has joined contest EJOI 2025 - Day 14 months ago
kostaq solved problem Nasser's OR Removal (#12433) on first attempt4 months ago
kostaq solved problem Falling Multiset (#12415) on 2 attempt4 months ago
kostaq solved problem Nasser's Prime Slices (#12432) on 4 attempt4 months ago
kostaq solved problem Closed Subsets (#12414) on 3 attempt5 months ago
kostaq solved problem Bubble XOR Sort (#12413) on 2 attempt5 months ago
kostaq solved problem The End Dimension (#12420) on 3 attempt5 months ago
kostaq solved problem ILOVEPRODUCT (#12422) on 7 attempt5 months ago
kostaq solved problem Prefixmaxxing (#12421) on 11 attempt5 months ago
kostaq solved problem Majestic Numbers (#12419) on first attempt5 months ago
kostaq solved problem 67 in 2026? (#12418) on first attempt5 months ago
kostaq solved hidden problem on first attempt5 months ago