【深进1.例1】求区间和

状态	递交者	时间	内存	语言	代码	递交时间
AC	wuchenyue	298ms	2.9 MiB	C++20	357 Bytes	2026-5-17 14:59:25
AC	liaolijun	305ms	3.3 MiB	C++23 (O2)	354 Bytes	2026-5-16 19:23:41
AC	Atuer	312ms	3.7 MiB	C++23 (O2)	377 Bytes	2026-5-17 14:53:52
AC	zhouyunzhi	435ms	2.1 MiB	C++23 (O2)	292 Bytes	2026-8-6 9:47:18
AC	houyicheng	441ms	1.7 MiB	C++23 (O2)	267 Bytes	2026-8-6 9:51:36