AVL 的 connect34 平衡调整

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	AHU大肥鸭	87ms	3 MiB	C++20(O2)	773 Bytes	2025-10-11 0:29:20
AC	CYMario	95ms	2.9 MiB	C++20(O2)	703 Bytes	2025-10-10 20:31:43
AC	qianfu	99ms	3.8 MiB	C++20(O2)	571 Bytes	2025-10-14 21:14:35
AC	plosa	100ms	3.8 MiB	C++20(O2)	703 Bytes	2025-10-24 15:26:03