【例9.3】小写字母转大写字母

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	wjy	8ms	536 KiB	C++98(O2)	108 Bytes	2025-2-22 19:12:48
AC	李金十	8ms	536 KiB	C++98	117 Bytes	2025-1-27 21:05:12
AC	高翊宸	9ms	536 KiB	C++11	105 Bytes	2025-2-24 21:24:07
AC	imsunxinhao	10ms	536 KiB	C++23(O2)	131 Bytes	2025-2-3 18:02:36