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//bug last line can not swap with n-1 //http://www.zhihu.com/question/22547591/ #include<iostream> #include<queue> #include <queue> #include <vector> #include <list> #include <math.h> #include <cstdio> using namespace std; int ii=0; int Find( char x,int size,int zeroIndex) { switch (x) { case 's': //上移 就是找到零下面的那个数字的位置 也就是序号增加一行 也就是+4 { if ( zeroIndex<size - 4) { return zeroIndex + 4; } } break; case 'x': //下移 { // if (zeroIndex<size-4 && zeroIndex>3) if ( zeroIndex>3) { return zeroIndex - 4; } } break; case 'c': { if ( zeroIndex%4!=0 ) { return zeroIndex - 1; } } break; case 'z': //左移 主要是判断空白是否在右边缘 { if (zeroIndex%4!=3) { return zeroIndex + 1; } } break; default: break; } return -1; } //交换数组中zero和next的位置 void SwapIndex(int *ary,int zero, int next) { if (-1 == next) { return ; } int t = ary[zero]; ary[zero] = ary[next]; ary[next] = t; }//DLR void Update(int *ary, int size,char com) { int zeroIndex = 0; //零的序号 for (int i = 0.; i< size ; i++) { if (ary[i] == 0) { zeroIndex = i; break; } } int nextIndex = Find(com,size,zeroIndex); //获取跟零相邻(根据com不同 取上下左右)的那个数字的序号 SwapIndex(ary,zeroIndex,nextIndex); } void Show(int *ary, int size) { ii++; for (int i = 0 ; i <size; i++) { if(i % 4 == 0) //假设每行4个数字 { cout<<endl<<endl; } if (ary[i]!=0) { cout<<"\t"<<ary[i]; } else { cout<<"\t"; } } //cout<<endl<<"请输入方向(1234):"; cout<<endl<<" "<<ii<<endl<<"请输入方向(sxzc):"; } bool ProcessCommand(int *ary, int size, char com) { // system("cls"); Update(ary,size,com); //更新地图 Show(ary,size); //显示新的地图 return true; } char GetCommand() //假设只返回4个值 代表四个方向 { //int test = 1; char test='s'; cin>>test;//先测试一下 return test; } void Process(int *ary, int size) { /// int com = 0; char com='s'; while(ProcessCommand(ary,size,com)) { com = GetCommand(); } } int pintu() { int ary[16]; //数字0 代表空白 for (int i=0;i<16; i++) { ary[i] = i; } Process(ary,16); return 0; } ///////////////////////////////////////////////////////////////////////// template<class T> struct Binary_node { T data; Binary_node<T>* left; Binary_node<T>* right; Binary_node(); Binary_node(const T &x); }; template<class T> class Binary_tree { public: Binary_tree():root(NULL){}; Binary_tree(const Binary_tree<T>&original); Binary_tree & operator=(const Binary_tree<T>&original); ~Binary_tree(); bool empty() const; void preorder(void (*visit)(T &)); /*/ DLR /*/ void inorder(void (*visit)(T &)); /*/ LDR /*/ void postorder(void (*visit)(T &)); /*/ LRD /*/ int size() const; /*/ Binary_tree大小/*/ int height() const; void clear(); void insert(const T& x); void reverse(); /*/ 镜像翻转 /*/ const Binary_node<T>* get_root() const; void leaf() { Binary_node<T> *b; cout<<"leaf number:"<<_leaf(root)+1<<endl; cout<<"and the leaf element :"<<endl; while(!q.empty()) { b=q.front(); cout<<b->data<<" "<<endl;q.pop(); } } void createlay() { Binary_node<T>*cur=root; Binary_node<T>*p=root; queue<Binary_node<T>* > q; Binary_node<T> *b; int f=1,r=0; T c; cin>>c; root=new Binary_node<T>; q.push(root); root->data=c; while(c!=-1) { if(r%2==0) {root->left=new Binary_node<T>; q.push(root->left);} else {root->right=new Binary_node<T>; q.push(root->right);} if(r%2==1)f++;if(f%2==0)root=q.front(); q.pop(); r++; cin>>c; } } void fun(int n) { int m=pow(2,n)-1; queue<int> p; int i,j,k=0; n=n+1; while(n--) { m=pow(2,k+1)-1; for(i=0;i<m;i++) { if(i%2==0) p.push(k); else {p.push(p.front());p.pop();} } k++; } //the end only add pow(2,n)-2 number ; Binary_node<T> *b ; _fun(root); q.push(root); //while((!p.empty())&&(!q.empty())) while((q.size()>1)) { p.pop(); for(i=0;i<p.front();i++)cout<<"*"; p.pop(); q.pop(); b=q.front();cout<<b->data<<" "<<endl; q.pop(); } } void createBiTree() { //Binary_node<T>*b=root; _createBiTree(root); } void lay(int n) /*/ 层次打印 /*/ { //assert(root) int k=1; int m=1;int i=0; Binary_node<T> *b=root; queue<Binary_node<T>* > q; q.push(b); while(!q.empty()) { b=q.front(); if(b->left) q.push(b->left); if(b->right) q.push(b->right); m=pow(2,k-1); for(i=0;i<n/2;i++) cout<<" ";cout<<b->data; q.pop(); while(--m) { for(i=0;i<2*(n/2)+1;i++) cout<<" "; if(!q.empty()){ b=q.front(); if(b->left) q.push(b->left); if(b->right) q.push(b->right);cout<<b->data; q.pop();} else cout<<"#"; } cout<<endl; n=n/2; k++; } } //一些递归辅助函数 private: int recursive_size(const Binary_node<T>*root) const; int recursive_height(const Binary_node<T>*root) const; void equal(Binary_node<T>*&sub_root,const Binary_node<T>*orig_node); void recursive_reverse(Binary_node<T> * & sub_root); void recursive_clear(Binary_node<T> * & sub_root); void recursive_insert(Binary_node<T> * & sub_root, const T& x); void recursive_inorder(Binary_node<T> * sub_root, void (*visit)(T &)); void recursive_preorder(Binary_node<T> * sub_root, void (*visit)(T &)); void recursive_postorder(Binary_node<T> * sub_root, void (*visit)(T &)); void _fun(Binary_node<T> * sub_root) { if(sub_root==NULL){q.push(root); return;} _fun(sub_root->right); if(sub_root!=NULL) {q.push(sub_root);} _fun(sub_root->left); } int _leaf(Binary_node<T> * sub_root) { if(NULL == sub_root) return 0; if(NULL == sub_root->left&& NULL == sub_root->right) { return 1; q.push(sub_root);} return _leaf(sub_root->left) + _leaf(sub_root->right); } void _createBiTree(Binary_node<T> *&sub_root) { T c; cin >> c; /*************/ if(-1== c) sub_root = NULL; else { sub_root = new Binary_node<T>; sub_root->data = c; _createBiTree(sub_root->left); _createBiTree(sub_root->right); } /*************/ } protected: Binary_node<T>* root; queue<Binary_node<T>* > q; }; //////////////////////////////////////////// #ifndef BINARY_TREE_CPP_X #define BINARY_TREE_CPP_X template<class T> Binary_node<T>::Binary_node() { left = right = NULL; } template<class T> Binary_node<T>::Binary_node(const T &x) { left = right = NULL; data = x; } template<class T> Binary_tree<T>::Binary_tree(const Binary_tree<T>&original) { root = original.get_root(); } template<class T> void Binary_tree<T>::recursive_preorder(Binary_node<T>*sub_root, void (*visit)(T&)) {//先序遍历的递归函数 if (sub_root!=NULL) { (*visit)(sub_root->data); recursive_preorder(sub_root->left, visit); recursive_preorder(sub_root->right, visit); } } template<class T> void Binary_tree<T>::preorder(void (*visit)(T&)) {//先序遍历 recursive_preorder(root, visit); } template<class T> void Binary_tree<T>::recursive_inorder(Binary_node<T>*sub_root, void(*visit)(T&)) {//中序遍历的递归函数 if(sub_root!=NULL) { recursive_inorder(sub_root->left, visit); (*visit)(sub_root->data); recursive_inorder(sub_root->right, visit); } } template<class T> void Binary_tree<T>::inorder(void (*visit)(T&)) {//中序遍历 recursive_inorder(root, visit); } template<class T> void Binary_tree<T>::recursive_postorder(Binary_node<T>*sub_root, void (*visit)(T&)) {//后序遍历的递归函数 if (sub_root!=NULL) { recursive_postorder(sub_root->left, visit); recursive_postorder(sub_root->right, visit); (*visit)(sub_root->data); } } template<class T> void Binary_tree<T>::postorder(void (*visit)(T&)) {//后序遍历 recursive_postorder(root, visit); } //return tree height, if only one node then return 1 template<class T> int Binary_tree<T>::height() const { return recursive_height(root); } #endif #define max MAX template<class Comparable> Comparable MAX(const Comparable& a, const Comparable& b) { return a > b ? a : b; } template<class T> int Binary_tree<T>::recursive_height(const Binary_node<T>*root) const { if(root == NULL) return 0; else return 1 + max(recursive_height(root->left) , recursive_height(root->right)) ; } #undef max //return the size of tree template<class T> int Binary_tree<T>::size() const { return recursive_size(root); } template<class T> int Binary_tree<T>::recursive_size(const Binary_node<T>*root) const { if(root == NULL) return 0; else return 1 + recursive_size(root->left) + recursive_size(root->right) ; } //the tree is empty ? template<class T> bool Binary_tree<T>::empty() const { return root == NULL; } //insert x to the tree template<class T> void Binary_tree<T>::insert(const T& x) { recursive_insert(root, x); } //the recursive function of insert, //insert x in the less height side, //if both sides are same height then insert to the left //第一个参数必须使用引用否则插入失败,而其他不涉及数据改动的函数则不需要 //引用传参时不会发生值拷贝,如果不加引用,会先在函数的栈空间拷贝一个root,但当函数 //结束时这个拷贝就会被销毁,所以会导致插入失败 template<class T> void Binary_tree<T>::recursive_insert(Binary_node<T>*&sub_root, const T& x) { if(sub_root == NULL) { Binary_node<T>* ins_data = new Binary_node<T>(x); sub_root = ins_data; return; } else { if(recursive_height(sub_root->left) > recursive_height(sub_root->right)) recursive_insert(sub_root->right, x); else recursive_insert(sub_root->left, x); } } template<class T> Binary_tree<T>::~Binary_tree() { clear(); } template<class T> void Binary_tree<T>::clear() { recursive_clear(root); } /*/ recursive function for destroy tree /*/ template<class T> void Binary_tree<T>::recursive_clear(Binary_node<T>*&sub_root) {/*/两个版本都OK /*/ #if 0 if(sub_root != NULL) { recursive_clear(sub_root->left); recursive_clear(sub_root->right); delete sub_root; sub_root = NULL; } #else if(sub_root->left!=NULL) recursive_clear(sub_root->left); if(sub_root->right!=NULL) recursive_clear(sub_root->right); delete sub_root; sub_root = NULL; #endif } /*/ get the root /*/ template<class T> const Binary_node<T>* Binary_tree<T>::get_root() const { return root; } /*/ deep copy /*/ template<class T> Binary_tree<T>& Binary_tree<T>::operator =(const Binary_tree<T>&original) { equal(root, original.get_root()); return *this; } template<class T> void Binary_tree<T>::equal(Binary_node<T>*&sub_root,const Binary_node<T>*orig_node) { if(empty()) sub_root = new Binary_node<T>(orig_node->data); if(orig_node->left!=NULL) { sub_root->left = new Binary_node<T>(orig_node->left->data); equal(root->left, orig_node->left); } if(orig_node->right!=NULL) { sub_root->right = new Binary_node<T>(orig_node->right->data); equal(root->right, orig_node->right); } } template<class T> void Binary_tree<T>::reverse() { recursive_reverse(root); } template<class T> void Binary_tree<T>::recursive_reverse(Binary_node<T> * & sub_root) { if(sub_root!=NULL) { Binary_node<T>* temp = NULL; temp = sub_root->left; sub_root->left = sub_root->right; sub_root->right = temp; recursive_reverse(sub_root->left); recursive_reverse(sub_root->right); } } void test10() { Binary_tree<int> dd; //dd.createBiTree(); dd.createlay(); dd.lay(9); } void print( int& x); void test11() { Binary_tree<int> dd; dd.insert(1); dd.insert(2); dd.insert(3); dd.insert(4); dd.insert(5); dd.insert(6); dd.insert(7); /*************** Binary_tree<int> ww; ww = dd; ww.insert(10); ww.insert(7); cout<<"preorder:"; dd.preorder(print); cout<<endl; cout<<"preorder:"; ww.preorder(print); cout<<endl; dd.lay(9); cout<<endl; dd.reverse(); cout<<"preorder:"; ***************/ dd.preorder(print); cout<<endl; dd.lay(9); //dd.leaf(); dd.fun(4); cout<<endl; } void print( int& x) { cout<<x<<" "; } int main() { //pintu(); test11(); return 0; } /////////// /**************** //cout<<b->left->data<<"left"<<endl; //if(b->left==NULL&&b->right==NULL){cout<<"#"<<endl;q.pop();} // else {cout<<b->data<<" "<<endl;q.pop();} //if(b->left->data!=2&&b->left->data!=3){cout<<"#"<<endl;q.pop();} // else {cout<<b->data<<" "<<endl;q.pop();}
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