From b1e7f847536cc4fbafd4e2ebdc22c150e71ab51c Mon Sep 17 00:00:00 2001 From: fu08 <1007702646@qq.com> Date: Tue, 24 Nov 2020 21:44:09 +0800 Subject: [PATCH] Add File --- .../BinarySearchTree$BinaryNode.class" | Bin 0 -> 940 bytes .../BinarySearchTree.class" | Bin 0 -> 3486 bytes .../BinarySearchTree.java" | 199 ++++++++++++++++++ .../BinaryTree.class" | Bin 0 -> 1836 bytes .../BinaryTree.java" | 92 ++++++++ .../Node.class" | Bin 0 -> 716 bytes .../Node.java" | 29 +++ .../BinaryTreeNode.class" | Bin 0 -> 436 bytes .../GetNextTreeNode.class" | Bin 0 -> 574 bytes .../GetNextTreeNode.java" | 55 +++++ 10 files changed, 375 insertions(+) create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\345\242\236\345\210\240\346\237\245/BinarySearchTree$BinaryNode.class" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\345\242\236\345\210\240\346\237\245/BinarySearchTree.class" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\345\242\236\345\210\240\346\237\245/BinarySearchTree.java" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/BinaryTree.class" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/BinaryTree.java" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.class" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.java" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\350\277\233\351\230\266/BinaryTreeNode.class" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\350\277\233\351\230\266/GetNextTreeNode.class" create mode 100644 "\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\350\277\233\351\230\266/GetNextTreeNode.java" diff --git "a/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\345\242\236\345\210\240\346\237\245/BinarySearchTree$BinaryNode.class" "b/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\345\242\236\345\210\240\346\237\245/BinarySearchTree$BinaryNode.class" new file mode 100644 index 0000000000000000000000000000000000000000..acec880c044c63bb73f124e0d5cbf36a824191cc GIT binary patch literal 940 zcmaiy-)<675XQe@fnBz1OA-19tko73wrcN%aM3144WSooxL@dzZi7p*yO{V`CXyyz z_y9hX@jF{$4K(y(XXc#q&F{?4oZo+b{sPd#D;pUYCbAB4$O~#`LFh-{`pS<+S6-x4 z{dS`_y;OpHI|zfMBe-aEul=w7>BJAmrx(L(HA-6DHL2?ln*$pb3MOn_#fG4`3>O%U z=Agh@A34~>mLPlSC%&MxT8CC`J1F5XRTK3&5ge?oO(#?w?C6AC6pXK!QRoNb&`)L& z|Jv}pmf&a|qfJSNqRKseX%1M&dD_3NZV;;8?8{I^o)iS5u;BqWc3y4W%#N!`&r!kKBFUP^GPLecOjac1ZW*IgV0)j2HAa`57GJC9J`R$$Q4$k_ zFNr29qDG?T_nM?9jl%m$~Z^ZN)b?~K5CpWTGB>#tfl|ZQFA1(5NJUpO*ch9Jr`gmjcc z=k`shtYMuTG!1Ly$dF~43PCHE%RAGC-ubUrIfB02sF?`SRHcq8R8wgrm(3fg?1aLG zaBl%acP=w-SjM5WnJ8*2vRkax=vatF3R-Gnb7nk$(uTad42$uIhB_VfSaMf{gC{5Q zW`?_RlZ><0@texEY`0R`{9xWPjZ7klM-{4WU3>S>)9?Is{>-hb*Z#h6Erdoa)398} z3N$G!v;p6(NEG8@CY_~aZ%DM8%8n%>!-9B~j@5XKdk?3wqsbKawug%cTJ&uh!iZ>y z>WCq(u(U|}75t+{-cYFVq}wTZLc>~xMfa+LU|y%=@d9S!6_GumV?CZES6D*RVloH3 zAwP5#iv}ltp3?EO?Z+}Rxf5nNn$f0{#_bAaBQ{seq1?QLyFo>IBs-lto)O}fTB)%k zd67J;W0OeyY4dPCM8R`%6gDgLdqZ%I6a`rHrPTX*Y}L@CV;f#jSWw7sPd0CknHFhq z!bne={f8A6hkGKP!niwlX2M7czP|eeNiU7quH!}7QED?#@;0br2s?Pr#x1ko8Wms5 zA3!vlpFUCEsbd#*Gegn`6qbb}MI#lJy;7%r3iaL`dT0kr zG?eH}(0@1E1`lIzDr@#lW)7LwkaPydIg(}rQm7cr8zaY(#<(lLuXhF$2-9kWlRAb| zD1`?j?S>=VG`CkE+X;1=TUZP{7`C|BQZ&_0ctvwMmw}##^!Z>|3hRrPvE7rDIriB_ z$goWdKlgYx-05iwPqYuUwRv6@658Hu*Rj*{(mhoQp~2jwHDYc_NjYohx2?5OABFNh zb0VKKrSQBb^qy?iw7S#A#DvLZsBp8eDF=D00g6vvQylkmRe}Rpz&YI$@aY*zvYh+~A$Qk0Z;$?htQ^7TQAnutW~hN3aipFxGFIw&30RyRJA z($zTZ>Lodf;pNd8Ecgr+mrz@?bOsG-I_lV2c^PYdL-REEI6!I`EqHJ>w9$Wp+3K)C z`JfiKF2-o`@rQTOa&H&ibg`K(w$R1ad%0MTeQp#{Vv^`9qjTZ6-c=_j=Sftc&xLq| z5ZQe0tH0qM`UBJ-^ysJV)ViL&C5x&+4JYY4Ddx9}>*hF%B*|-u-$beJVl2+Uf5FBQ zbT*u0-DTY&m1{WbuDWF9FOZ;#oCWsM$Uges&%_)+E$hFG6j@2`HIolQkRW`4+o)3& zF507n!A}Sm#x{>EXD+{$=OsWAX`a4R0#~6Q_;bd$d%y=N^ z+CN77yzX85-CT+N+Sm=$&}PRCl*`aN_1{0Sf^mmP7LDh504I4AUY;}Tuk;w^H-l^V z4Z@N9Jw5g+qY;}Z6a1~o-(c3F?zcWwDT;n_@_34vUDOd4kuG;*vtPVOm+e+<~*r@l{m&*G< zeL(8t^sYwR&v^#(CF<}MIrcTP{tdeEEq35L7hQ(C`RT&vL27O%O5xu!@~?pnjoe!^ zgMOFZ12VE019DcKmgdm>0(12}Tlx?D6}U(e{AlNcZLN{LJ&T-ceGip;et#=?Mq0eB?+`7;eoNzAjfd0(GbQv|cLdwmseb4fuxk?1iB{YuX WHaZIv9Q|}1<|$!&w`W0~mf-(1$@;*/ +public class BinarySearchTree> { + + /**结点数据结构*/ + static class BinaryNode + { + T data; + BinaryNode left; + BinaryNode right; + public BinaryNode(T data) { + this(data,null,null); + } + public BinaryNode( T data, BinaryNode left, BinaryNode right) { + this.data =data; + this.left = left; + this.right =right; + } + public BinaryNode() + { + data =null; + this.left = left; + this.right =right; + } + } + + private BinaryNode rootTree; + /**构造一颗空的二叉查找树*/ + public BinarySearchTree() + { + rootTree = null; + } + /**清空二叉查找树*/ + public void clear() + { + rootTree = null; + } + /**判断是否为空*/ + public boolean isEmpty() + { + return rootTree == null; + } + /**查找指定的元素,默认从 + * 根结点出开始查询*/ + public boolean contains(T t) + { + return contains(t, rootTree); + + } + /**找到二叉查找树中的最小值*/ + public T findMin() + { + if(isEmpty()) + { + System.out.println("二叉树为空"); + return null; + }else + return findMin(rootTree).data; + + } + /**找到二叉查找树中的最大值*/ + public T findMax() + { + if(isEmpty()) + { + System.out.println("二叉树为空"); + return null; + }else + return findMax(rootTree).data; + } + /**插入元素*/ + public void insert(T t) + { + rootTree = insert(t, rootTree); + } + /**删除元素*/ + public void remove(T t) + { + rootTree = remove(t,rootTree); + } + /**打印二叉查找树*/ + public void printTree() + { + + } + /**从某个结点出开始查找元素*/ + public boolean contains(T t, BinaryNode node) + { + if(node==null) + return false; + int result = t.compareTo(node.data); + if(result>0) + return contains(t,node.right); + else if(result<0) + return contains(t, node.left); + else + return true; + } + /**查询出最小元素所在的结点*/ + public BinaryNode findMin(BinaryNode node) + { + if(node==null) + return null; + else if(node.left==null) + return node; + return findMin(node.left);//递归查找 + } + /**查询出最大元素所在的结点*/ + public BinaryNode findMax(BinaryNode node) + { + if(node!=null) + { + while(node.right!=null) + node=node.right; + } + return node; + } + /**在某个位置开始判断插入元素*/ + public BinaryNode insert(T t,BinaryNode node) + { + if(node==null) + { + //新构造一个二叉查找树 + return new BinaryNode(t, null, null); + } + int result = t.compareTo(node.data); + if(result<0) + node.left= insert(t,node.left); + else if(result>0) + node.right= insert(t,node.right); + else + ;//doNothing + return node; + } + /**在某个位置开始判断删除某个结点*/ + public BinaryNode remove(T t,BinaryNode node) + { + if(node == null) + return node;//没有找到,doNothing + int result = t.compareTo(node.data); + if(result>0) + node.right = remove(t,node.right); + else if(result<0) + node.left = remove(t,node.left); + else if(node.left!=null&&node.right!=null) + { + node.data = findMin(node.right).data; + node.right = remove(node.data,node.right); + } + else + node = (node.left!=null)?node.left:node.right; + return node; + + } + public BinaryNode init() + { + BinaryNode node3 = new BinaryNode(3); + BinaryNode node1 = new BinaryNode(1); + BinaryNode node4 = new BinaryNode(4,node3,null); + BinaryNode node2 = new BinaryNode(2,node1,node4); + BinaryNode node8 = new BinaryNode(8); + BinaryNode root = new BinaryNode(6,node2,node8); + return root; + } + public void preOrder(BinaryNode node) { + if (node != null) { + System.out.print(node.data); + preOrder(node.left); + preOrder(node.right); + } + } + /*测试*/ + @SuppressWarnings("unchecked") + public static void main(String[] args) { + BinarySearchTree searchTree = new BinarySearchTree<>(); + BinaryNode node= searchTree.init(); + searchTree.rootTree=node; + searchTree.preOrder(searchTree.rootTree); + searchTree.remove(4); + searchTree.preOrder(searchTree.rootTree); + } + +} + + + + + + + + + + + + + diff --git "a/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/BinaryTree.class" "b/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/BinaryTree.class" new file mode 100644 index 0000000000000000000000000000000000000000..5912cd13704ae1d4a991ad5602e57086e901759a GIT binary patch literal 1836 zcmaJ?OHUhD6#mAqG4=%WFf>l$JP0WsY%nDaNiiW0NE)agfQgAo+G@a4GKn8(JVs*K zO0BwSnss(vb<;{o7SIH#?TSUE{)Nk+z}5i&}Xto>_UMuUZm36GqvvCM7r{YEFh%f-7Aq=sw8si6}p# zA~Q*0OVqz=t_{b~E+e3z1D%IZvzt{*FA=O#BX&>H<})hsInyXxSe5s01EL;bd4R;@)-+tAIb zRulk(3Zeo)A;5yM_RvNUVM7XrMOZh(X380}pqnj$VT>qvPu%zLey&or4tvPBC?RN9 zU9*g0JZY34>xHCIwR{+b(~mJ+mT^VF2N;(SIB=Y==`~jA)CvV+N9t{F8FNBi7Qqt= zu7abMjq0t^y0vL{-M+c5;0A7T8%(`a*&tMq&9L!XQACAK@wuhowy57FcE^i5?8M%e zU+=yC_OH*s*?aPpnB%O1kB}snJ%wWVNM76pqr8?-b6%t+z>7Iz{PEL|`xss<2-K%f zS}cpg^5Tm>fB3G+6Gl$KlIWkZvi z(hO$R8@b<7=zdz97!=f!X$1XVd#zg8Qhlk&L)WSSj58Q*>kX}%b zkmpxi*T3u=W#RgiVP2jOb|B|Ff|9h2wxlg9ww$tM*_P8n_SoXM%eDt%QTmU&h2jml zhJ@m=Z+sz7$SqVkBtIv9J%c`*s~rjgIL>$5k4}uBiwn_>Sw6-*dg#el)W~jt<%t6Q zFQG)Y(6xo$gL1^56%fXU5Z(Du8bQmAp#DLIoZ@faF8o67+rqm%)P|~36=)8-IVad2 z;3V5|is^-!%o%EDaUOkG=8X%EU^^N3vX1f`rie9ZTXBDTB2MEHdB*m6L_OTw2G4VL!o^DSI~dJx queue = new LinkedList<>(); + Node a; + if(node!=null){ + //入队 + queue.add(node); + while(!queue.isEmpty()){ + a=queue.remove(); + System.out.print(a.getData()); + if(a.getLeftNode()!=null){ + queue.add(a.getLeftNode()); + } + if(a.getRightNode()!=null){ + queue.add(a.getRightNode()); + } + } + } + } + + public static void main(String[] args) { + + BinaryTree tree = new BinaryTree(); + Node root = tree.init(); + System.out.println("先序遍历"); + tree.theFirstTraversal(root); + System.out.println(""); + System.out.println("中序遍历"); + tree.theInOrderTraversal(root); + System.out.println(""); + System.out.println("后序遍历"); + tree.thePostOrderTraversal(root); + System.out.println(""); + System.out.println("层次遍历"); + tree.lever(root); + System.out.println(""); + } +} + diff --git "a/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.class" "b/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.class" new file mode 100644 index 0000000000000000000000000000000000000000..c15be810338822422b3bdcd7565073d3b5a194c4 GIT binary patch literal 716 zcmZvYOHaa35QWbzwWXyBA|MLBa8v4ojXQ}OjR^_CM2-8R6>AU@EdDANnn+As_yhb= z#&cUl?rkc1>s~8d$)F44X1+>Dbn>BcR^7fh!Om_~^d4 z7A%x3=!jb|U|LAP=-Ar~I!#dytN+k@e8wy~OLUIP c{9Lp;i_TNJHXl8;oM`F-(M9UlIi7;T9|#X%_W%F@ literal 0 HcmV?d00001 diff --git "a/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.java" "b/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.java" new file mode 100644 index 0000000..b8df8f6 --- /dev/null +++ "b/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\344\272\214\345\217\211\346\240\221\347\232\204\351\201\215\345\216\206/Node.java" @@ -0,0 +1,29 @@ +public class Node { + private int data; + private Node leftNode; + private Node rightNode; + public Node(int data, Node leftNode, Node rightNode){ + this.data = data; + this.leftNode = leftNode; + this.rightNode = rightNode; + } + + public int getData() { + return data; + } + public void setData(int data) { + this.data = data; + } + public Node getLeftNode() { + return leftNode; + } + public void setLeftNode(Node leftNode) { + this.leftNode = leftNode; + } + public Node getRightNode() { + return rightNode; + } + public void setRightNode(Node rightNode) { + this.rightNode = rightNode; + } +} \ No newline at end of file diff --git "a/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\350\277\233\351\230\266/BinaryTreeNode.class" "b/\344\272\214\345\217\211\346\240\221\344\275\234\344\270\232/\350\277\233\351\230\266/BinaryTreeNode.class" new file mode 100644 index 0000000000000000000000000000000000000000..b030abad21283f329ae51dea9e7aaa7c38671b35 GIT binary patch literal 436 zcmY+A%}&BV5Xb*pT1snai=y)3L2uB5JOIXnMhyw62MPBru2@nFX
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