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Kostil
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Константин Луценко
Kostil
Grandmaster
Ukraine
Ukraine
Joined Nov 9, 2016
Achievements (1)
Problem Solver
OverviewRatingAchievementsPosts
Rating
2273
Problems110
Submissions138

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2026
Kostil solved problem Massive Numbers (#1213) on first attempt15 hours ago
Kostil has joined contest Educational Round #61 day ago
Kostil solved problem Prime numbers (#830) on 3 attempt1 day ago
Kostil solved problem Number of divisors (#2862) on first attempt1 day ago
Kostil solved problem Pirates and Coins (#75) on first attempt1 day ago
Kostil solved problem a + b Problem (#1000) on 2 attempt1 day ago
Kostil solved hidden problem on 5 attempt1 day ago
Kostil has joined contest Educational Round #72 days ago
Kostil has joined contest Educational Round #82 days ago
Kostil solved problem Sum of the digits of a number (function) (#9394) on 3 attempt2 days ago
Kostil solved problem Marathon 3 (#8934) on first attempt9 days ago
Kostil solved problem The sum of digits (#1603) on 2 attempt9 days ago
Kostil solved problem All OK (#8931) on first attempt9 days ago
Kostil solved problem At least one condition out of two (#8892) on first attempt15 days ago
Kostil solved problem Sign of a number (#8862) on first attempt15 days ago
Kostil solved problem The largest of two (#8868) on first attempt15 days ago
Kostil solved problem The Segments (#46) on first attempt3 months ago
Kostil solved problem The number of ones (#44) on 4 attempt3 months ago
Kostil solved problem Gardener-painter (#17) on first attempt3 months ago
Kostil solved problem Mouse and corns (#15) on first attempt3 months ago
Kostil solved problem Fateful Chess Puzzle (#1971) on first attempt3 months ago
Kostil solved problem Crazy GCD (#12230) on first attempt4 months ago
Kostil solved problem Roman numerals (#7) on first attempt4 months ago
Kostil solved problem Ancient manuscripts (#610) on first attempt9 months ago
Kostil solved problem Zero xor (#11795) on 4 attempt11 months ago