【例9.3】小写字母转大写字母

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	刘思远 (lfyst2025012)	8ms	760 KiB	C++14(O2)	123 Bytes	2025-4-11 17:37:26
AC	邵名慧 (lfyst2025021)	8ms	508 KiB	C++14(O2)	131 Bytes	2025-4-12 20:20:57
AC	lfyst2422	8ms	504 KiB	C++14(O2)	125 Bytes	2025-4-18 18:16:01
AC	lfy48	8ms	764 KiB	C++14(O2)	122 Bytes	2025-3-22 12:01:40
AC	lfyst2414	8ms	764 KiB	C++14(O2)	129 Bytes	2025-3-22 14:43:36
AC	hope-------全能选手博尔特（冰河禁区原住民） (lqst2025031)	9ms	504 KiB	C++14(O2)	195 Bytes	2025-8-20 18:08:35