【例】字符串小写转大写

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	周驭准	2ms	5.8 MiB	C++14(O2)	281 Bytes	2024-9-20 20:28:58
AC	岳羽溪	2ms	6.2 MiB	C++14(O2)	234 Bytes	2024-3-30 20:48:33
AC	鸟嘴医生	2ms	6 MiB	C++14(O2)	285 Bytes	2024-7-13 16:26:11
AC	jike1994	2ms	6.2 MiB	C++14(O2)	346 Bytes	2024-6-7 10:39:39
AC	坤坤	2ms	5.9 MiB	C++14(O2)	294 Bytes	2024-8-9 9:22:46
AC	张一鸣	2ms	6.2 MiB	C++14(O2)	289 Bytes	2025-1-4 11:49:00
AC	邱怡辰	2ms	6.2 MiB	C++14(O2)	325 Bytes	2024-12-21 11:56:09
AC	罗莎	2ms	6.1 MiB	C++14(O2)	269 Bytes	2024-11-2 22:32:42
AC	郑惟楷	3ms	6.2 MiB	C++14(O2)	285 Bytes	2025-2-21 19:11:58
AC	王鑫意	3ms	6.2 MiB	C++14(O2)	270 Bytes	2025-1-4 9:31:00
AC	刘思锐	3ms	6.3 MiB	C++14(O2)	292 Bytes	2025-3-29 15:19:35
AC	钱宇宸	3ms	6 MiB	C++14(O2)	258 Bytes	2024-7-31 15:19:08
AC	乐思尧	3ms	6.2 MiB	C++14(O2)	291 Bytes	2024-12-15 14:57:10
AC	沈鼎皓	3ms	6.2 MiB	C++14(O2)	265 Bytes	2024-11-17 12:18:43
AC	孙梓桐	3ms	6.1 MiB	C++14(O2)	278 Bytes	2024-8-19 15:58:09
AC	罗开朗	3ms	6.2 MiB	C++17(O2)	326 Bytes	2025-4-26 11:22:39
AC	白骏锋	4ms	6.1 MiB	C++14(O2)	258 Bytes	2024-8-15 14:42:31
AC	程裕澍	5ms	6.2 MiB	C++14(O2)	226 Bytes	2025-1-22 11:18:53