输入输出char类型变量

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	陈荣昊	12ms	6.3 MiB	C++14(O2)	105 Bytes	2025-3-29 11:27:18
AC	王甯	12ms	6.4 MiB	C++14(O2)	124 Bytes	2025-4-24 11:20:42
AC	汪佐一	12ms	6.3 MiB	C++14(O2)	126 Bytes	2025-4-11 20:02:18
AC	叶一飞	12ms	6.4 MiB	C++14(O2)	105 Bytes	2025-5-24 11:08:19
AC	郑之铭正在疯狂做题中...... (XLY20)	12ms	6.3 MiB	C++14(O2)	104 Bytes	2025-3-30 10:07:06
AC	袁翌展	12ms	6.3 MiB	C++11	115 Bytes	2025-3-19 16:27:19
AC	林家玮	12ms	6.3 MiB	C++14(O2)	104 Bytes	2025-4-3 15:58:58
AC	匿名用户 (YC118)	13ms	6.5 MiB	C++11	106 Bytes	2025-3-19 18:57:55
AC	陈余昂	13ms	6.4 MiB	C++14(O2)	114 Bytes	2025-5-16 20:36:50
AC	张浩宇	13ms	6.6 MiB	C++14(O2)	106 Bytes	2025-3-26 18:48:26
AC	姜星宇（禁止拿我的名字开玩笑否则举报) (GK49)	13ms	6.3 MiB	C++14(O2)	104 Bytes	2025-3-23 8:33:43
AC	汪涵睿	13ms	6.4 MiB	C++14(O2)	106 Bytes	2025-5-23 19:28:45
AC	刘芷妤	13ms	6.3 MiB	C++14(O2)	139 Bytes	2025-4-11 17:48:01
AC	吴思彤	13ms	6.3 MiB	C++14(O2)	107 Bytes	2025-3-27 14:12:17
AC	张臆涵	13ms	6.7 MiB	C++14(O2)	104 Bytes	2025-3-27 14:43:16
AC	王昕晨	13ms	6.4 MiB	C++14(O2)	132 Bytes	2025-5-9 9:13:20
AC	金昌汋	13ms	6.8 MiB	C++14(O2)	109 Bytes	2025-5-15 16:18:13
AC	梁欣悦	13ms	6.7 MiB	C++11	130 Bytes	2025-3-19 18:00:40
AC	江航哲	14ms	6.3 MiB	C++14(O2)	111 Bytes	2025-3-23 21:47:24
AC	肖旸熠	14ms	6.2 MiB	C++14(O2)	107 Bytes	2025-4-10 16:06:09
AC	李园沁	14ms	6.5 MiB	C++11	106 Bytes	2025-3-19 18:54:09
AC	黄梓濠	23ms	6.4 MiB	C++14(O2)	111 Bytes	2025-3-28 16:13:47