【例】小写字符转大写字符

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	陈明睿	20ms	6.3 MiB	C++14(O2)	185 Bytes	2025-6-21 19:22:54
AC	DH-LZR	21ms	6.3 MiB	C++14(O2)	179 Bytes	2025-1-24 12:24:46
AC	刘兵	22ms	6.2 MiB	C++14(O2)	175 Bytes	2025-2-6 17:46:32
AC	冯昱哲	25ms	6.2 MiB	C++14(O2)	145 Bytes	2025-1-17 13:23:42