【例】子串截取

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	方一帆2	11ms	512 KiB	C++14(O2)	139 Bytes	2025-11-16 18:56:56
AC	方一帆	12ms	6.3 MiB	C++14(O2)	143 Bytes	2025-7-21 9:30:17
AC	向籽言	12ms	544 KiB	C++14(O2)	155 Bytes	2025-11-22 13:37:39
AC	周驭准	12ms	6.2 MiB	C++14(O2)	130 Bytes	2024-6-7 19:25:23
AC	王嘉怡	13ms	6.1 MiB	C++14(O2)	128 Bytes	2025-8-15 10:34:38
AC	岳羽溪	13ms	6 MiB	C++14(O2)	137 Bytes	2024-3-10 15:17:24
AC	唐羽辰	13ms	6.2 MiB	C++14(O2)	158 Bytes	2024-6-9 11:39:39
AC	许皓辰	13ms	6.1 MiB	C++14(O2)	144 Bytes	2025-8-19 14:00:58
AC	jike1994	14ms	6.2 MiB	C++14(O2)	137 Bytes	2024-5-30 13:11:33
AC	陈奕可	15ms	6.1 MiB	C++14(O2)	135 Bytes	2025-8-15 11:47:51
AC	赵梓源	15ms	6.1 MiB	C++14(O2)	143 Bytes	2024-5-19 15:59:45
AC	鸟嘴医生	16ms	6.1 MiB	C++14(O2)	137 Bytes	2024-7-12 15:34:35
AC	尹攸雨濛	16ms	6.3 MiB	C++14(O2)	140 Bytes	2025-3-15 14:09:38
AC	刘恒嘉	16ms	6.2 MiB	C++14(O2)	143 Bytes	2025-9-14 9:08:11
AC	坤坤	16ms	5.9 MiB	C++14(O2)	149 Bytes	2024-8-7 9:43:38
AC	罗开朗	19ms	6.3 MiB	C++17(O2)	143 Bytes	2025-3-29 11:29:05
AC	王鑫意	20ms	6.2 MiB	C++14(O2)	192 Bytes	2024-11-2 9:38:48
AC	张一鸣	20ms	6.2 MiB	C++14(O2)	143 Bytes	2024-12-14 10:14:50
AC	邱怡辰	20ms	6.2 MiB	C++14(O2)	143 Bytes	2024-11-23 10:06:05
AC	沈鼎皓	20ms	6.2 MiB	C++14(O2)	172 Bytes	2024-11-14 11:43:12
AC	乐思尧	21ms	6.2 MiB	C++14(O2)	139 Bytes	2024-11-24 15:08:35
AC	方一帆	21ms	6.3 MiB	C++14(O2)	144 Bytes	2025-3-23 13:43:01
AC	张天源	22ms	6.3 MiB	C++14(O2)	175 Bytes	2025-4-6 15:47:49
AC	郑惟楷	23ms	6.2 MiB	C++14(O2)	190 Bytes	2024-11-29 19:45:51
AC	程裕澍	26ms	6.2 MiB	C++14(O2)	134 Bytes	2025-1-20 11:50:30
AC	白骏锋	29ms	5.9 MiB	C++14(O2)	133 Bytes	2024-8-14 15:57:55
AC	钱宇宸	31ms	6.1 MiB	C++14(O2)	149 Bytes	2024-7-29 14:13:15
AC	刘思锐	32ms	6.2 MiB	C++14(O2)	139 Bytes	2025-1-18 16:28:23
AC	leixin	32ms	6 MiB	C++14(O2)	137 Bytes	2024-9-4 17:47:27