大写字母转小写字母

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	吴云汐	24ms	6.4 MiB	C++14(O2)	114 Bytes	2025-5-8 14:14:25
AC	项今皓	24ms	812 KiB	C++14(O2)	113 Bytes	2026-3-7 15:03:25
AC	金昌汋	24ms	6.7 MiB	C++14(O2)	119 Bytes	2025-5-15 16:35:00
AC	汪涵睿	25ms	6.4 MiB	C++14(O2)	115 Bytes	2025-5-23 20:31:00
AC	张祖源	26ms	6.4 MiB	C++14(O2)	118 Bytes	2025-5-24 16:30:39
AC	胡博特	26ms	6.5 MiB	C++14(O2)	117 Bytes	2025-5-23 16:31:31
AC	林铉策 (WC23)	27ms	6.4 MiB	C++14(O2)	115 Bytes	2025-5-15 21:50:45
AC	郑恒霄	27ms	6.4 MiB	C++14(O2)	113 Bytes	2025-5-2 22:23:30
AC	肖旸熠	28ms	6.3 MiB	C++14(O2)	136 Bytes	2025-4-3 16:48:59
AC	胡馨蕊	30ms	6.3 MiB	C++14(O2)	156 Bytes	2025-3-22 20:28:11
AC	丁泊蕴 (SC8)	31ms	6.4 MiB	C++14(O2)	135 Bytes	2025-5-18 9:42:05
AC	李冠增 (GK66)	33ms	6.3 MiB	C++14(O2)	113 Bytes	2025-4-12 9:11:28