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kossinus67
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Косс Юрій
kossinus67
Skilled
Ukraine
Ukraine
Joined Dec 3, 2022
OverviewRatingPosts
Rating
1355
Problems95
Submissions123
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2021
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2022
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2023
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2024
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2025
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2026
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Rating evolution

kossinus67 solved problem Product of two integers (#8811) on first attempt4 дні таму
kossinus67 solved problem School concert (#8810) on first attempt4 дні таму
kossinus67 solved problem Marathon (#8809) on first attempt4 дні таму
kossinus67 solved problem Sum of squares (#519) on first attempt4 дні таму
kossinus67 solved problem Two digits from four digits (#949) on 2 attempt4 дні таму
kossinus67 solved problem Without the middle (#945) on first attempt4 дні таму
kossinus67 solved problem Digits permutation (#943) on 7 attempt4 дні таму
kossinus67 solved problem The square of the sum (#939) on 2 attempt4 дні таму
kossinus67 solved problem Product of digits (#906) on first attempt4 дні таму
kossinus67 solved problem The last digit (#5175) on first attempt4 дні таму
kossinus67 solved problem Simple problem (#1) on first attempt4 дні таму
kossinus67 solved problem School canteen (#1286) on first attempt4 дні таму
kossinus67 solved problem Area of rectangle (#7944) on first attempt4 дні таму
kossinus67 solved problem Perimeter of rectangle (#7943) on 2 attempt4 дні таму
kossinus67 solved problem Stepan's Friends (#7401) on first attempt4 дні таму
kossinus67 solved problem Divide the apples - 2 (#4717) on first attempt4 дні таму
kossinus67 solved problem Divide the apples - 1 (#4716) on 2 attempt4 дні таму
kossinus67 solved problem abc (#5133) on first attempt4 дні таму
kossinus67 solved problem 12345 (#990) on 2 attempt4 дні таму
kossinus67 solved problem Hello World! (#1024) on first attempt4 дні таму
kossinus67 has joined contest C Programming Intensive course. Lesson 1. Input/Output4 дні таму
kossinus67 has joined contest UOI 2026. Day 24 дні таму
kossinus67 has joined contest UOI 2026. Day 14 дні таму
kossinus67 solved hidden problem on first attempt1 месяц таму
kossinus67 has joined contest Ukrainian Olympiad in Informatics, IV Stage, II Round1 месяц таму