Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
helen29
Sign in
Олена
helen29
Ukraine
Ukraine
Joined Jul 21, 2019
Achievements (2)
Problem Solver 2Problem Solver
OverviewAchievementsPosts

Problems305
Submissions492
5月
6月
7月
8月
9月
10月
11月
12月
2021
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2022
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2023
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2024
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2025
2月
3月
4月
5月
6月
7月
8月
9月
10月
11月
12月
2026
2月
3月
helen29 solved problem EVEN LOVE (#12380) on 4 attempt11 日前
helen29 has joined contest Blitz Round #1611 日前
helen29 solved problem 67 in 2026? (#12418) on first attempt11 日前
helen29 has joined contest Blitz Round #1711 日前
helen29 solved problem Sum of positive elements in odd rows (#9573) on first attempt5 か月前
helen29 solved problem Number of even elements in a two-dimensional array (#9572) on first attempt5 か月前
helen29 solved problem The sum of elements of a two-dimensional array (#9571) on first attempt5 か月前
helen29 solved problem Minimum among maximums (#9565) on 2 attempt5 か月前
helen29 solved problem Rows with maximum sum (#9564) on 2 attempt5 か月前
helen29 solved problem Rows with minimal elements (#9563) on 4 attempt5 か月前
helen29 solved problem Sum of subarray elements (#9562) on first attempt5 か月前
helen29 solved problem Number of Divisors (Function) (#9395) on 12 attempt6 か月前
helen29 solved problem The sum of digits (#1603) on first attempt6 か月前
helen29 solved problem Sum (functions) (#8762) on first attempt6 か月前
helen29 solved problem Aaah! (#6827) on 5 attempt6 か月前
helen29 solved problem Maximums to the right (#8964) on 4 attempt7 か月前
helen29 solved problem Minimums to the left (#8963) on 7 attempt7 か月前
helen29 solved problem Balloons (#113) on 4 attempt7 か月前
helen29 solved problem The prime factors (#842) on 12 attempt8 か月前
helen29 solved problem Class MinStack (#9035) on 3 attempt9 か月前
helen29 solved problem Minimum in the stack (#4259) on first attempt9 か月前
helen29 solved problem Stack push / pop (#10608) on 3 attempt9 か月前
helen29 solved problem Number of divisors (#2862) on 3 attempt11 か月前
helen29 solved problem Transfer points (#4423) on 8 attempt11 か月前
helen29 solved problem Lunch (#1289) on 4 attempt12 か月前