【例】字符串小写转大写

状态	递交者	时间	内存	语言	代码	递交时间
AC	lizi12	28ms	412 KiB	C++17(O2)	269 Bytes	2023-12-1 20:19:09
AC	lizi21	29ms	412 KiB	C++17(O2)	218 Bytes	2023-11-24 21:32:50
AC	lizi20	29ms	412 KiB	C++17(O2)	265 Bytes	2023-12-2 14:06:45
AC	lizi4	29ms	516 KiB	C++17(O2)	206 Bytes	2023-12-9 14:23:59
AC	lizi13	32ms	536 KiB	C++17(O2)	298 Bytes	2024-2-22 9:29:54
AC	lizi46	32ms	540 KiB	C++17(O2)	206 Bytes	2024-1-30 11:13:28
AC	lizi10	34ms	764 KiB	C++17(O2)	264 Bytes	2024-1-17 18:50:05
AC	lizi22	37ms	552 KiB	C++11	285 Bytes	2024-1-29 14:42:09