练40.1 小写变大写

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	mixinyue	5ms	536 KiB	C++11	132 Bytes	2024-10-13 11:14:43
AC	zhengzihao	5ms	536 KiB	C++11	149 Bytes	2025-3-23 11:15:58
AC	zhangyuanyuan	5ms	532 KiB	C++11	104 Bytes	2024-10-13 8:29:26
AC	manfen	5ms	760 KiB	C++11	122 Bytes	2025-3-16 11:48:26
AC	zhouzeyou	5ms	536 KiB	C++11	133 Bytes	2024-10-13 8:37:29
AC	mijunmin	5ms	536 KiB	C++11	121 Bytes	2024-10-13 8:32:45
AC	zhutianle	6ms	536 KiB	C++11	135 Bytes	2024-10-13 8:42:48
AC	zhengziqi	6ms	536 KiB	C++11	123 Bytes	2025-3-23 11:16:32
AC	weilaicheng	6ms	536 KiB	C++11	126 Bytes	2024-10-13 8:33:59
AC	tongyizhen	6ms	768 KiB	C++11	133 Bytes	2024-10-13 8:37:51
AC	赵淼森	7ms	536 KiB	C++11	117 Bytes	2024-10-13 8:36:28