【例】字符大小写判断

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	黄己恩	21ms	6.3 MiB	C++14(O2)	171 Bytes	2025-7-15 16:32:59
AC	肖渃璃	21ms	6.3 MiB	C++14(O2)	172 Bytes	2025-3-28 18:55:31
AC	陈奕可	22ms	6.3 MiB	C++14(O2)	174 Bytes	2025-4-20 16:05:32
AC	DH-LZR	22ms	6.3 MiB	C++14(O2)	188 Bytes	2025-1-24 12:17:09
AC	刘恒嘉	22ms	6 MiB	C++14(O2)	211 Bytes	2024-5-21 20:58:58
AC	李芮洁	22ms	6.3 MiB	C++14(O2)	180 Bytes	2025-3-27 16:36:19
AC	赵子豪	22ms	6.3 MiB	C++14(O2)	163 Bytes	2025-6-28 20:28:39
AC	薛宇晨	22ms	6.3 MiB	C++14(O2)	192 Bytes	2025-7-3 10:15:45
AC	王子墨	22ms	6.3 MiB	C++14(O2)	214 Bytes	2025-4-2 18:37:21
AC	程裕澍	23ms	6.1 MiB	C++14(O2)	167 Bytes	2024-9-21 11:20:32
AC	郑惟楷	23ms	6.1 MiB	C++14(O2)	223 Bytes	2024-10-21 21:11:58
AC	刘兵	24ms	5.9 MiB	C++14(O2)	253 Bytes	2024-8-24 13:37:22
AC	王嘉怡	24ms	6.3 MiB	C++14(O2)	160 Bytes	2025-4-20 14:45:11
AC	罗莎	25ms	6 MiB	C++14(O2)	188 Bytes	2024-9-1 12:37:09
AC	张意驰	27ms	6 MiB	C++14(O2)	183 Bytes	2024-10-4 10:31:24
AC	周驭准	28ms	6.3 MiB	C++14(O2)	247 Bytes	2025-5-23 21:50:06
AC	刘思锐	28ms	6.1 MiB	C++14(O2)	189 Bytes	2024-9-21 14:45:50
AC	张天源	29ms	6.2 MiB	C++14(O2)	218 Bytes	2025-1-12 20:04:29
AC	方一帆	30ms	6.1 MiB	C++14(O2)	184 Bytes	2024-8-21 15:05:37
AC	冯昱哲	125ms	6.2 MiB	C++14(O2)	153 Bytes	2025-1-16 15:12:34