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helen29
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Олена
helen29
Ukraine
Ukraine
Joined Jul 21, 2019
Achievements (54)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitHalfway ThereBy a whiskerProblem SolverProblem Solver 2Sea LionSnake TamerLong Time No AC
OverviewAchievements
Problems305
Submissions492
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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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helen29 has joined contest CPIC. Lesson 3. Loops - Part 124 дні таму
helen29 has joined contest CPIC. Lesson 1. Input/Output24 дні таму
helen29 has joined contest Educational Round #104 месяцы таму
helen29 solved problem EVEN LOVE (#12380) on 4 attempt5 месяцаў таму
helen29 has joined contest Blitz Round #165 месяцаў таму
helen29 solved problem 67 in 2026? (#12418) on first attempt5 месяцаў таму
helen29 has joined contest Blitz Round #175 месяцаў таму
helen29 solved problem Sum of positive elements in odd rows (#9573) on first attempt10 месяцаў таму
helen29 solved problem Number of even elements in a two-dimensional array (#9572) on first attempt10 месяцаў таму
helen29 solved problem The sum of elements of a two-dimensional array (#9571) on first attempt10 месяцаў таму
helen29 solved problem Minimum among maximums (#9565) on 2 attempt10 месяцаў таму
helen29 solved problem Rows with maximum sum (#9564) on 2 attempt10 месяцаў таму
helen29 solved problem Rows with minimal elements (#9563) on 4 attempt10 месяцаў таму
helen29 solved problem Sum of subarray elements (#9562) on first attempt10 месяцаў таму
helen29 solved problem Number of Divisors (Function) (#9395) on 12 attempt10 месяцаў таму
helen29 solved problem The sum of digits (#1603) on first attempt10 месяцаў таму
helen29 solved problem Sum (functions) (#8762) on first attempt10 месяцаў таму
helen29 solved problem Aaah! (#6827) on 5 attempt11 месяцаў таму
helen29 solved problem Maximums to the right (#8964) on 4 attempt12 месяцаў таму
helen29 solved problem Minimums to the left (#8963) on 7 attempt12 месяцаў таму
helen29 solved problem Balloons (#113) on 4 attempt12 месяцаў таму
helen29 solved problem The prime factors (#842) on 12 attempt1 год таму
helen29 solved problem Class MinStack (#9035) on 3 attempt1 год таму
helen29 solved problem Minimum in the stack (#4259) on first attempt1 год таму
helen29 solved problem Stack push / pop (#10608) on 3 attempt1 год таму