这就是前缀和 - Problem Statistics - 算道OJ

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	YanHua-YiLengs	-	-	C++20(O2)	1.3 KiB	2026-4-25 21:56:14
AC	ak47	-	-	C++98	1.5 KiB	2026-5-4 23:50:57
AC	xinling	1507ms	8.4 MiB	C++17(O2)	806 Bytes	2026-4-13 23:47:06

ID

20274

Time

1000ms

Memory

256MiB

Difficulty

9

Tags

# Submissions

Accepted

3

Uploaded By