*【STL：set】前驱问题（Predecessor Problem）

状态	递交者	时间	内存	语言	代码	递交时间
AC	fujiaqi	-	-	C++14(O2)	631 Bytes	2026-8-4 11:08:09
AC	wangshengboAA	-	-	C++14(O2)	583 Bytes	2026-8-4 11:05:15
AC	dongjunchiAA	-	-	C++14(O2)	509 Bytes	2026-8-4 11:04:38
AC	tantianTT	-	-	C++14(O2)	512 Bytes	2026-8-4 11:05:21
AC	liukainuoKN	-	-	C++14(O2)	633 Bytes	2026-8-4 11:08:16
AC	lizehaoAA	-	-	C++14(O2)	508 Bytes	2026-8-4 11:08:56
AC	jiangnanyuMZ	-	-	C++14(O2)	643 Bytes	2026-8-4 11:05:16
AC	Kevin1846	-	-	C++14(O2)	522 Bytes	2026-8-4 11:31:38
AC	hanzilu	3097ms	45.8 MiB	C++14(O2)	1.9 KiB	2026-8-2 9:46:59
AC	admin	3116ms	55.5 MiB	C++20(O2)	2 KiB	2025-12-8 11:39:42
AC	fuxuanyuan	12840ms	482.7 MiB	C++14(O2)	799 Bytes	2026-8-2 9:22:00
AC	Benny	14483ms	205.7 MiB	C++14(O2)	1.8 KiB	2025-12-7 9:04:28
AC	duanjiahui2024	14898ms	482.5 MiB	C++14(O2)	945 Bytes	2025-12-7 9:48:53
AC	dengyanzhi2024	15180ms	472.8 MiB	C++14(O2)	1.2 KiB	2025-12-7 9:39:36
AC	taojinghua	15435ms	472.9 MiB	C++14(O2)	571 Bytes	2026-2-8 8:59:53
AC	Hansang1	15498ms	491.8 MiB	C++14(O2)	875 Bytes	2026-8-6 9:03:35
AC	Zhaoyuhui	16160ms	473.2 MiB	C++14(O2)	664 Bytes	2026-8-2 9:32:31
AC	yanchengyi2024	16292ms	463.4 MiB	C++14(O2)	604 Bytes	2026-2-8 9:10:22
AC	Raoxuanrui01	16341ms	473 MiB	C++14(O2)	717 Bytes	2026-8-2 9:03:33
AC	zhengziye	16342ms	472.9 MiB	C++14(O2)	741 Bytes	2026-2-8 9:20:21
AC	qinkaiwen	16377ms	473 MiB	C++14(O2)	592 Bytes	2026-2-8 8:59:36
AC	zhengjingyuan2024	16702ms	473 MiB	C++14(O2)	603 Bytes	2025-12-7 9:28:14
AC	Yangzhichao	16761ms	472.9 MiB	C++14(O2)	656 Bytes	2025-12-7 9:22:12
AC	YZP	20402ms	472.9 MiB	C++14(O2)	516 Bytes	2026-8-4 11:04:46