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__JDK___

Expert
Member of

IOI 2025

Practice

Solved problems
31
Full points only
Rank by points
#1,041
Out of 16,466 members
Points
258
Weighted; see the Problems tab

Rated contests

Contests taken part in
5
Latest 08/07/2025
Rating
1388
Expert · 29% to Candidate Master
Rank by rating
#63
Out of 149 rated members
Lowest / highest rating
1148and1468
Amateur / Expert

Problems solved

31 problems with full points in 2 groups · 12 partly solved

Points breakdown

The profile points (258) are a weighted sum: the problems are sorted by points from high to low, the first counts 100% and each next one 95% of the weight of the one before; then a bonus for the number of solved problems is added.

The problems that add the most to the profile points of __JDK___: group, best submission, test points, problem points, weight and contribution
Problem Category Submitted at Language Result Test points Problem points Weight Contribution
Vô hướng thành có hướng OLP PYPY3 ACAccepted 2 / 2 30 100% 30
Cây Khung nhỏ nhất online OLP C++17 ACAccepted 10 / 10 30 95% 29
Hàm băm OLP C++17 ACAccepted 13 / 13 25 90% 23
Xâu palindrome bản 6 OLP C++20 ACAccepted 13 / 13 25 86% 21
Robot bảo dưỡng mạng OLP C++20 ACAccepted 11 / 11 25 81% 20
Đoạn chia hết cho M OLP PYPY3 ACAccepted 7 / 7 20 77% 15
Dãy con dài nhất thỏa điều kiện OLP C++20 Wrong Answer 9 / 10 18 74% 13
Cấp số cộng dài nhất OLP C++20 Wrong Answer 10 / 15 16.667 70% 12
Phần tử thứ n của dãy Fibonacci OLP C++20 ACAccepted 10 / 10 15 66% 10
Tình bạn OLP PYPY3 ACAccepted 7 / 7 15 63% 9.5
Showing 10 of 43 problems with points