【例70.1】字符串移位包含问题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	wjy	24ms	540 KiB	C++17	446 Bytes	2026-1-24 10:10:35
AC	高翊宸	26ms	768 KiB	C++98	458 Bytes	2026-1-24 9:45:30
AC	游客	27ms	764 KiB	C++17	485 Bytes	2026-1-24 10:11:14
AC	李金十	27ms	508 KiB	C++98	246 Bytes	2025-3-31 21:44:19