【例9.3】小写字母转大写字母

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	马康智xly2025	8ms	508 KiB	C++14(O2)	1.1 KiB	2025-7-9 10:19:26
AC	duobei	8ms	504 KiB	C++14	125 Bytes	2025-5-30 15:35:27
AC	黄昭明xly2025	8ms	508 KiB	C++14(O2)	128 Bytes	2025-7-5 9:03:27
AC	白一汎xly2025	8ms	504 KiB	C++14(O2)	123 Bytes	2025-7-5 9:03:59
AC	shtian	9ms	540 KiB	C++98	136 Bytes	2024-7-12 13:03:01