二叉树转左偏树（leftify）

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CYMario	1052ms	80.6 MiB	C++20(O2)	319 Bytes	2025-8-31 10:53:24
AC	Artificial Idiot	1056ms	80.7 MiB	C++20(O2)	351 Bytes	2025-8-31 16:01:41
AC	qianfu	1102ms	102.5 MiB	C++20(O2)	321 Bytes	2025-9-29 20:02:47
AC	vankari	1105ms	80.6 MiB	C++20(O2)	365 Bytes	2025-8-31 22:58:10
AC	zhiyu	1122ms	80.5 MiB	C++20(O2)	328 Bytes	2025-8-31 15:20:23
AC	shaomx	1143ms	80.6 MiB	C++20(O2)	416 Bytes	2025-8-31 23:04:48
AC	Artificial Idiot	1183ms	80.6 MiB	C++20(O2)	317 Bytes	2025-8-31 16:00:54
AC	CYMario	1185ms	81.3 MiB	C++20(O2)	385 Bytes	2025-9-1 18:49:06
AC	Artificial Idiot	1205ms	80.6 MiB	C++20(O2)	289 Bytes	2025-8-31 15:59:13
AC	plosa	1231ms	87.2 MiB	C++20(O2)	407 Bytes	2025-10-25 2:36:28
AC	CYMario	1231ms	81.7 MiB	C++20(O2)	311 Bytes	2025-9-1 18:46:27
AC	CYMario	1251ms	85.8 MiB	C++20(O2)	312 Bytes	2025-9-1 18:46:03
AC	AHU大肥鸭	1763ms	180.1 MiB	C++20(O2)	843 Bytes	2025-8-31 16:58:20
AC	九思	3560ms	93.1 MiB	C++20(O2)	1.2 KiB	2025-8-31 17:18:27
AC	plosa	4256ms	116.1 MiB	C++20(O2)	713 Bytes	2025-8-31 16:53:26