【动态规划3】前缀和问题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CodeFundd8c8965e9	1030ms	6.6 MiB	C++98	330 Bytes	2025-3-5 10:32:49
AC	Xr6wGREkel	1040ms	20.6 MiB	Python 3	159 Bytes	2026-3-19 16:39:12
AC	yonghuming123qaq	1051ms	6.6 MiB	C++17(O2)	424 Bytes	2025-3-13 20:22:02
AC	CodeFun7036224378	1066ms	6.5 MiB	C++14	325 Bytes	2025-1-7 0:45:45
AC	六维的羊	1069ms	6.6 MiB	C++17(O2)	250 Bytes	2025-3-8 23:32:33
AC	CodeFun4d554c1fb3	1124ms	6.6 MiB	C++98	249 Bytes	2025-3-3 22:04:51