【深度优先搜索3】路径数量统计（邻接表存储）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	大大聂将军	90ms	7.4 MiB	C++11	1.4 KiB	2025-4-16 18:25:52
AC	CodeFune0b70bed38	94ms	11.3 MiB	Python 3	715 Bytes	2025-8-13 0:39:08
AC	CodeFund00fac6b43	209ms	26.6 MiB	C++17	647 Bytes	2025-4-30 12:18:40
AC	CodeFun1a57537c48	286ms	26.1 MiB	C++11	564 Bytes	2025-4-16 22:46:22