练40.1 小写变大写

状态	递交者	时间	内存	语言	代码	递交时间
AC	(国贸李佳益)国贸李佳益	5ms	536 KiB	C++11	130 Bytes	2025-3-27 21:30:03
AC	(未来の鳩（お互い）)国贸单滢睿	5ms	536 KiB	C++11	162 Bytes	2024-12-7 14:49:57
AC	(国贸张扬)国贸张扬	6ms	768 KiB	C++11	138 Bytes	2024-12-15 14:27:50
AC	(1)国贸王俊喆	6ms	764 KiB	C++11	162 Bytes	2024-10-28 16:56:46
AC	[吴雨霖]chan	6ms	536 KiB	C++14(O2)	151 Bytes	2024-10-16 23:31:34
AC	(国贸冯一杨)国贸冯一杨	6ms	536 KiB	C++11	134 Bytes	2024-12-1 14:43:06
AC	[秦翔可]秦老师	6ms	536 KiB	C++11	130 Bytes	2024-11-18 22:29:38