树状数组2：区间修改，单点查询

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	若白	727ms	45.7 MiB	C++17(O2)	2.5 KiB	2025-5-30 22:04:03
AC	李俊诚	790ms	23.1 MiB	C++14(O2)	2.6 KiB	2025-5-30 15:13:39
AC	shtian	1224ms	28.8 MiB	C++14(O2)	5.4 KiB	2025-5-30 14:29:39
AC	13988078910	1854ms	32.8 MiB	C++14(O2)	751 Bytes	2025-5-30 15:02:40
AC	hyc0604	3844ms	104.1 MiB	C++14(O2)	2.6 KiB	2025-5-30 14:38:16
AC	周丞昊contest	4190ms	37.8 MiB	C++14	692 Bytes	2025-5-30 15:06:42
AC	string_dbr	7330ms	32.4 MiB	C++14(O2)	866 Bytes	2025-5-30 14:56:38
AC	huangyi	7346ms	40.6 MiB	C++17(O2)	683 Bytes	2025-5-30 15:08:39
AC	kcs007	7364ms	21.1 MiB	C++14(O2)	732 Bytes	2025-5-30 15:02:55
AC	杨永免	7364ms	30.9 MiB	C++17(O2)	718 Bytes	2025-5-30 15:24:50
AC	舒诗鉴	7364ms	31.6 MiB	C++17(O2)	708 Bytes	2025-5-30 15:26:39
AC	zhouzichuan2011	7370ms	21.1 MiB	C++14(O2)	720 Bytes	2025-5-30 15:10:03
AC	曾彦彬contest	7387ms	21 MiB	C++14(O2)	729 Bytes	2025-5-30 15:14:19
AC	zxc	7402ms	40.4 MiB	C++17(O2)	721 Bytes	2025-5-30 15:03:27
AC	yzxyzx	7472ms	21 MiB	C++14(O2)	684 Bytes	2025-5-30 15:11:49
AC	zhaolingyun	7674ms	31.3 MiB	C++14	720 Bytes	2025-5-30 15:32:59
AC	taoruiguo120	7804ms	21.1 MiB	C++14	714 Bytes	2025-5-30 15:10:16
AC	Liu	7824ms	21.1 MiB	C++14	719 Bytes	2025-5-30 15:18:22
AC	duobei	7861ms	30.1 MiB	C++14	712 Bytes	2025-5-30 15:08:03
AC	XiaoZhao12	7902ms	42.5 MiB	C++14	712 Bytes	2025-5-30 15:11:13
AC	曹磊	7951ms	38 MiB	C++14	771 Bytes	2025-5-30 14:51:41