【入门】求区间和

状态	递交者	时间	内存	语言	代码	递交时间
AC	zhongjunnan	3ms	520 KiB	C++11(O2)	248 Bytes	2026-5-29 13:18:15
AC	zhangjunyu	3ms	576 KiB	C++17(O2)	244 Bytes	2026-7-14 19:11:18
AC	wengzhaoyu8	3ms	552 KiB	C++14	215 Bytes	2026-5-1 22:59:31
AC	ZJNAN	4ms	576 KiB	C++11(O2)	248 Bytes	2026-5-29 13:18:11
AC	liangluoquan	4ms	584 KiB	C++14(O2)	274 Bytes	2026-5-13 12:31:50
AC	zhangxin	4ms	532 KiB	C++14(O2)	230 Bytes	2026-6-24 12:34:02
AC	zhaozhiyi	5ms	824 KiB	C++17(O2)	220 Bytes	2026-6-30 12:54:22
AC	zhoumiya	5ms	576 KiB	C++17(O2)	202 Bytes	2026-7-3 13:02:26
AC	zhengkaiyang666	7ms	760 KiB	C++11(O2)	207 Bytes	2026-5-6 13:16:10