The programming implements the two fork tree structure and its related functions to store user information and do not use the two forked tree structure and function of the standard template class. At the same time, according to the change of two forked trees, the corresponding balance operation is carried out, that is, the AVL balance tree operation, and the four kinds of balance operation are considered. The user login system is simulated with the corresponding data structure. Its functions include user login, user password update, user addition and user deletion.

Filename	Size	Update
UserCheckIn\UserCheckIn\file.cpp	637	2016-12-30
UserCheckIn\UserCheckIn\MyNewDlg1.cpp	2283	2016-12-28
UserCheckIn\UserCheckIn\MyNewDlg1.h	496	2016-12-28
UserCheckIn\UserCheckIn\MyNewDlg2.cpp	2048	2016-12-28
UserCheckIn\UserCheckIn\MyNewDlg2.h	552	2016-12-26
UserCheckIn\UserCheckIn\MyNewDlg3.cpp	1323	2016-12-28
UserCheckIn\UserCheckIn\MyNewDlg3.h	433	2016-12-26
UserCheckIn\UserCheckIn\operate.cpp	3605	2016-12-29
UserCheckIn\UserCheckIn\out.txt	167	2016-12-30
UserCheckIn\UserCheckIn\ReadMe.txt	3217	2016-12-21
UserCheckIn\UserCheckIn\res\UserCheckIn.ico	67777	2009-08-31
UserCheckIn\UserCheckIn\res\UserCheckIn.rc2	678	2016-12-21
UserCheckIn\UserCheckIn\resource.h	1914	2016-12-28
UserCheckIn\UserCheckIn\stdafx.cpp	144	2016-12-21
UserCheckIn\UserCheckIn\stdafx.h	1632	2016-12-27
UserCheckIn\UserCheckIn\targetver.h	234	2016-12-21
UserCheckIn\UserCheckIn\user.txt	67	2016-12-30
UserCheckIn\UserCheckIn\UserCheckIn.aps	107164	2016-12-30
UserCheckIn\UserCheckIn\UserCheckIn.cpp	2058	2016-12-21
UserCheckIn\UserCheckIn\UserCheckIn.h	472	2016-12-21
UserCheckIn\UserCheckIn\UserCheckIn.rc	13780	2016-12-30
UserCheckIn\UserCheckIn\UserCheckIn.vcxproj	6478	2016-12-28
UserCheckIn\UserCheckIn\UserCheckIn.vcxproj.filters	3180	2016-12-26
UserCheckIn\UserCheckIn\UserCheckIn.vcxproj.user	143	2016-12-21
UserCheckIn\UserCheckIn\UserCheckInDlg.cpp	4185	2016-12-28
UserCheckIn\UserCheckIn\UserCheckInDlg.h	801	2016-12-26
UserCheckIn\UserCheckIn\UserNode.h	850	2016-12-26
UserCheckIn\UserCheckIn\UserTree.cpp	3566	2016-12-30
UserCheckIn\UserCheckIn\UserTree.h	1261	2016-12-27
UserCheckIn\UserCheckIn.sdf	8736768	2018-01-24
UserCheckIn\UserCheckIn.sln	900	2016-12-21
UserCheckIn\UserCheckIn.suo	39424	2018-01-24
UserCheckIn\UserCheckIn\res	0	2016-12-21
UserCheckIn\UserCheckIn	0	2018-01-24
UserCheckIn	0	2018-01-24

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