2025/01/22↵
------------------↵
It was 1.5 years ago When I first took part in a div2 competition, during which I sloved three problems. However i just solve A and B in today's div2. It seems that i just learn a lot of data structures and algorithms but my performance never progress.↵
↵
2025/5/13 Updated↵
------------------↵
First time reaching 1800, and my target is 2100 before August.
------------------↵
It was 1.5 years ago When I first took part in a div2 competition, during which I sloved three problems. However i just solve A and B in today's div2. It seems that i just learn a lot of data structures and algorithms but my performance never progress.↵
↵
2025/5/13 Updated↵
------------------↵
First time reaching 1800, and my target is 2100 before August.



