[ABC223B] 字符串移位（String Shifting）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	方一帆	24ms	6.3 MiB	C++14(O2)	300 Bytes	2025-7-24 14:14:37
AC	王嘉怡	28ms	6.2 MiB	C++14(O2)	247 Bytes	2025-10-5 16:16:46
AC	许皓辰	30ms	6.2 MiB	C++14(O2)	283 Bytes	2025-8-21 16:04:15
AC	jike1994	43ms	6.3 MiB	C++14(O2)	294 Bytes	2025-4-10 11:24:37
AC	张天源	100ms	6.3 MiB	C++14(O2)	376 Bytes	2025-7-19 18:42:05