妙妙题 eJOI蓝题
必做好题：
2018 元素周期表
2020 Day1 Exam
Very Nice Problem
- Status
- Done
- Rule
- IOI
- Problem
- 13
- Start at
- 2024-11-2 9:15
- End at
- 2024-11-8 9:15
- Duration
- 144 hour(s)
- Host
-
梁泽贤 (liangzexian)
- Partic.
- 25
必做好题：
2018 元素周期表
2020 Day1 Exam
Very Nice Problem