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shu ju jie gou C yu yan shi xian xi lie —— er cha shu

2008-06-01 02:07:09 编辑來源:互联网 评论
 
 
 
本文为【数据结构C语言实现系列——二叉树】的拼音翻译版
  Word-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: windowtext 0.5pt solid"
  #include <stdio.h>
  #include <stdlib.h>
  #define STACK_MAX_SIZE 30
  #define QUEUE_MAX_SIZE 30
  #ifndef elemType
  typedef char elemType;
  #endif
  /************************************************************************/
  /* yi xia shi guan yu er cha shu cao zuo de 11 ge jian dan suan fa */
  /************************************************************************/
  strUCt BTreeNode{
  elemType data;
  struct BTreeNode *left;
  struct BTreeNode *right;
  };
  /* 1. chu shi hua er cha shu */
  void initBTree(struct BTreeNode* *bt)
  {
  *bt = NULL;
  return;
  }
  /* 2. jian li er cha shu ( gen ju a suo zhi xiang de er cha shu guang yi biao zi fu chuan jian li ) */
  void createBTree(struct BTreeNode* *bt, char *a)
  {
  struct BTreeNode *p;
  struct BTreeNode *s[STACK_MAX_SIZE];/* ding yi s shu zu wei cun chu gen jie dian zhi zhen de zhan shi yong */
  int top = -1; /* ding yi top zuo wei s zhan de zhan ding zhi zhen , chu zhi wei -1, biao shi kong zhan */
  int k; /* yong k zuo wei chu li jie dian de zuo zi shu he you zi shu ,k = 1 chu li zuo zi shu ,k = 2 chu li you zi shu */
  int i = 0; /* yong i sao miao shu zu a zhong cun chu de er cha shu guang yi biao zi fu chuan , chu zhi wei 0 */
  *bt = NULL; /* ba shu gen zhi zhen zhi wei kong , ji cong kong shu kai shi jian li er cha shu */
  /* mei xun huan yi ci chu li yi ge zi fu , zhi dao sao miao dao zi fu chuan jie shu fu \0 wei zhi */
  while(a[i] != '\0'){
   switch(a[i]){
   case ' ':
   break; /* dui kong ge bu zuo ren he chu li */
   case '(':
   if(top == STACK_MAX_SIZE - 1){
   printf(" zhan kong jian tai xiao !\n");
   exit(1);
   }
   top++;
   s[top] = p;
   k = 1;
   break;
   case ')':
   if(top == -1){
   printf(" er cha shu guang yi biao zi fu chuan cuo wu !\n");
   exit(1);
   }
   top--;
   break;
   case ',':
   k = 2;
   break;
   default:
  
   p = malloc(sizeof(struct BTreeNode));
   p->data = a[i];
   p->left = p->right = NULL;
   if(*bt == NULL){
   *bt = p;
   }else{
   if( k == 1){
   s[top]->left = p;
   }else{
   s[top]->right = p;
   }
   }
   }
  i++; /* wei sao miao xia yi ge zi fu xiu gai i zhi */
  }
  return;
  }
  /* 3. jian cha er cha shu shi fou wei kong , wei kong ze fan hui 1, fou ze fan hui 0 */
  int emptyBTree(struct BTreeNode *bt)
  {
  if(bt == NULL){
   return 1;
  }else{
   return 0;
  }
  }
  /* 4. qiu er cha shu shen du */
  int BTreeDepth(struct BTreeNode *bt)
  {
  if(bt == NULL){
   return 0; /* dui yu kong shu , fan hui 0 jie shu di gui */
  }else{
   int dep1 = BTreeDepth(bt->left); /* ji suan zuo zi shu de shen du */
  int dep2 = BTreeDepth(bt->right); /* ji suan you zi shu de shen du */
  if(dep1 > dep2){
   return dep1 + 1;
  }else{
   return dep2 + 1;
  }
  }
  }
  /* 5. cong er cha shu zhong cha zhao zhi wei x de jie dian , ruo cun zai ze fan hui yuan su cun chu wei zhi , fou ze fan hui kong zhi */
  elemType *findBTree(struct BTreeNode *bt, elemType x)
  {
  if(bt == NULL){
   return NULL;
  }else{
   if(bt->data == x){
   return &(bt->data);
   }else{ /* fen bie xiang zuo you zi shu di gui cha zhao */
   elemType *p;
   if(p = findBTree(bt->left, x)){
   return p;
   }
   if(p = findBTree(bt->right, x)){
   return p;
   }
   return NULL;
   }
  }
  }
  /* 6. shu chu er cha shu ( qian xu bian li ) */
  void printBTree(struct BTreeNode *bt)
  {
  /* shu wei kong shi jie shu di gui , fou ze zhi xing ru xia cao zuo */
  if(bt != NULL){
   printf("%c", bt->data); /* shu chu gen jie dian de zhi */
  if(bt->left != NULL bt->right != NULL){
   printf("(");
   printBTree(bt->left);
   if(bt->right != NULL){
   printf(",");
   }
   printBTree(bt->right);
   printf(")");
  }
  }
  return;
  }
  /* 7. qing chu er cha shu , shi zhi bian wei yi ke kong shu */
  void clearBTree(struct BTreeNode* *bt)
  
   {
  if(*bt != NULL){
   clearBTree(&((*bt)->left));
  clearBTree(&((*bt)->right));
  free(*bt);
  *bt = NULL;
  }
  return;
  }
  /* 8. qian xu bian li */
  void preOrder(struct BTreeNode *bt)
  {
  if(bt != NULL){
   printf("%c ", bt->data); /* fang wen gen jie dian */
  preOrder(bt->left); /* qian xu bian li zuo zi shu */
  preOrder(bt->right); /* qian xu bian li you zi shu */
  }
  return;
  }
  /* 9. qian xu bian li */
  void inOrder(struct BTreeNode *bt)
  {
  if(bt != NULL){
  inOrder(bt->left); /* zhong xu bian li zuo zi shu */
   printf("%c ", bt->data); /* fang wen gen jie dian */
  inOrder(bt->right); /* zhong xu bian li you zi shu */
  }
  return;
  }
  /* 10. hou xu bian li */
  void postOrder(struct BTreeNode *bt)
  {
  if(bt != NULL){
  postOrder(bt->left); /* hou xu bian li zuo zi shu */
  postOrder(bt->right); /* hou xu bian li you zi shu */
  printf("%c ", bt->data); /* fang wen gen jie dian */
  }
  return;
  }
  /* 11. an ceng bian li */
  void levelOrder(struct BTreeNode *bt)
  {
  struct BTreeNode *p;
  struct BTreeNode *q[QUEUE_MAX_SIZE];
  int front = 0, rear = 0;
  /* jiang shu gen zhi zhen jin dui */
  if(bt != NULL){
   rear = (rear + 1) % QUEUE_MAX_SIZE;
  q[rear] = bt;
  }
  while(front != rear){ /* dui lie fei kong */
   front = (front + 1) % QUEUE_MAX_SIZE; /* shi dui shou zhi zhen zhi xiang dui shou yuan su */
  p = q[front];
  printf("%c ", p->data);
  /* ruo jie dian cun zai zuo hai zi , ze zuo hai zi jie dian zhi zhen jin dui */
  if(p->left != NULL){
   rear = (rear + 1) % QUEUE_MAX_SIZE;
   q[rear] = p->left;
  }
  /* ruo jie dian cun zai you hai zi , ze you hai zi jie dian zhi zhen jin dui */
  if(p->right != NULL){
   rear = (rear + 1) % QUEUE_MAX_SIZE;
   q[rear] = p->right;
  }
  }
  return;
  }
  /************************************************************************/
  /*
  int main(int argc, char *argv[])
  {
  struct BTreeNode *bt; /* zhi xiang er cha shu gen jie dian de zhi zhen */
  char *b; /* yong yu cun ru er cha shu guang yi biao de zi fu chuan */
  elemType x, *px;
  initBTree(&bt);
  printf(" shu ru er cha shu guang yi biao de zi fu chuan :\n");
  /* scanf("%s", b); */
  b = "a(b(c), d(e(f, g), h(, i)))";
  createBTree(&bt, b);
  if(bt != NULL)
  printf(" %c ", bt->data);
  printf(" yi guang yi biao de xing shi shu chu :\n");
  printBTree(bt); /* yi guang yi biao de xing shi shu chu er cha shu */
  printf("\n");
  printf(" qian xu :"); /* qian xu bian li */
  
   preOrder(bt);
  printf("\n");
  printf(" zhong xu :"); /* zhong xu bian li */
  inOrder(bt);
  printf("\n");
  printf(" hou xu :"); /* hou xu bian li */
  postOrder(bt);
  printf("\n");
  printf(" an ceng :"); /* an ceng bian li */
  levelOrder(bt);
  printf("\n");
  /* cong er cha shu zhong cha zhao yi ge yuan su jie dian */
  printf(" shu ru yi ge dai cha zhao de zi fu :\n");
  scanf(" %c", &x); /* ge shi chuan zhong de kong ge tiao guo kong bai zi fu */
  px = findBTree(bt, x);
  if(px){
   printf(" cha zhao cheng gong :%c\n", *px);
  }else{
   printf(" cha zhao shi bai !\n");
  }
  printf(" er cha shu de shen du wei :");
  printf("%d\n", BTreeDepth(bt));
  clearBTree(&bt);
  return 0;
  }
  */【原文】【汉音对照
 
 
 
 
 
 
 
 
 
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Word-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: windowtext 0.5pt solid" #include <stdio.h> #include <stdlib.h> #define STACK_MAX_SIZE 30 #define QUEUE_MAX_SIZE 30 #ifndef elemType typedef char elemType; #endif /************************************************************************/ /* yi xia shi guan yu er cha shu cao zuo de 11 ge jian dan suan fa */ /************************************************************************/ strUCt BTreeNode{ elemType data; struct BTreeNode *left; struct BTreeNode *right; }; /* 1. chu shi hua er cha shu */ void initBTree(struct BTreeNode* *bt) { *bt = NULL; return; } /* 2. jian li er cha shu ( gen ju a suo zhi xiang de er cha shu guang yi biao zi fu chuan jian li ) */ void createBTree(struct BTreeNode* *bt, char *a) { struct BTreeNode *p; struct BTreeNode *s[STACK_MAX_SIZE];/* ding yi s shu zu wei cun chu gen jie dian zhi zhen de zhan shi yong */ int top = -1; /* ding yi top zuo wei s zhan de zhan ding zhi zhen , chu zhi wei -1, biao shi kong zhan */ int k; /* yong k zuo wei chu li jie dian de zuo zi shu he you zi shu ,k = 1 chu li zuo zi shu ,k = 2 chu li you zi shu */ int i = 0; /* yong i sao miao shu zu a zhong cun chu de er cha shu guang yi biao zi fu chuan , chu zhi wei 0 */ *bt = NULL; /* ba shu gen zhi zhen zhi wei kong , ji cong kong shu kai shi jian li er cha shu */ /* mei xun huan yi ci chu li yi ge zi fu , zhi dao sao miao dao zi fu chuan jie shu fu \0 wei zhi */ while(a[i] != '\0'){ switch(a[i]){ case ' ': break; /* dui kong ge bu zuo ren he chu li */ case '(': if(top == STACK_MAX_SIZE - 1){ printf(" zhan kong jian tai xiao !\n"); exit(1); } top++; s[top] = p; k = 1; break; case ')': if(top == -1){ printf(" er cha shu guang yi biao zi fu chuan cuo wu !\n"); exit(1); } top--; break; case ',': k = 2; break; default: p = malloc(sizeof(struct BTreeNode)); p->data = a[i]; p->left = p->right = NULL; if(*bt == NULL){ *bt = p; }else{ if( k == 1){ s[top]->left = p; }else{ s[top]->right = p; } } } i++; /* wei sao miao xia yi ge zi fu xiu gai i zhi */ } return; } /* 3. jian cha er cha shu shi fou wei kong , wei kong ze fan hui 1, fou ze fan hui 0 */ int emptyBTree(struct BTreeNode *bt) { if(bt == NULL){ return 1; }else{ return 0; } } /* 4. qiu er cha shu shen du */ int BTreeDepth(struct BTreeNode *bt) { if(bt == NULL){ return 0; /* dui yu kong shu , fan hui 0 jie shu di gui */ }else{ int dep1 = BTreeDepth(bt->left); /* ji suan zuo zi shu de shen du */ int dep2 = BTreeDepth(bt->right); /* ji suan you zi shu de shen du */ if(dep1 > dep2){ return dep1 + 1; }else{ return dep2 + 1; } } } /* 5. cong er cha shu zhong cha zhao zhi wei x de jie dian , ruo cun zai ze fan hui yuan su cun chu wei zhi , fou ze fan hui kong zhi */ elemType *findBTree(struct BTreeNode *bt, elemType x) { if(bt == NULL){ return NULL; }else{ if(bt->data == x){ return &(bt->data); }else{ /* fen bie xiang zuo you zi shu di gui cha zhao */ elemType *p; if(p = findBTree(bt->left, x)){ return p; } if(p = findBTree(bt->right, x)){ return p; } return NULL; } } } /* 6. shu chu er cha shu ( qian xu bian li ) */ void printBTree(struct BTreeNode *bt) { /* shu wei kong shi jie shu di gui , fou ze zhi xing ru xia cao zuo */ if(bt != NULL){ printf("%c", bt->data); /* shu chu gen jie dian de zhi */ if(bt->left != NULL bt->right != NULL){ printf("("); printBTree(bt->left); if(bt->right != NULL){ printf(","); } printBTree(bt->right); printf(")"); } } return; } /* 7. qing chu er cha shu , shi zhi bian wei yi ke kong shu */ void clearBTree(struct BTreeNode* *bt) { if(*bt != NULL){ clearBTree(&((*bt)->left)); clearBTree(&((*bt)->right)); free(*bt); *bt = NULL; } return; } /* 8. qian xu bian li */ void preOrder(struct BTreeNode *bt) { if(bt != NULL){ printf("%c ", bt->data); /* fang wen gen jie dian */ preOrder(bt->left); /* qian xu bian li zuo zi shu */ preOrder(bt->right); /* qian xu bian li you zi shu */ } return; } /* 9. qian xu bian li */ void inOrder(struct BTreeNode *bt) { if(bt != NULL){ inOrder(bt->left); /* zhong xu bian li zuo zi shu */ printf("%c ", bt->data); /* fang wen gen jie dian */ inOrder(bt->right); /* zhong xu bian li you zi shu */ } return; } /* 10. hou xu bian li */ void postOrder(struct BTreeNode *bt) { if(bt != NULL){ postOrder(bt->left); /* hou xu bian li zuo zi shu */ postOrder(bt->right); /* hou xu bian li you zi shu */ printf("%c ", bt->data); /* fang wen gen jie dian */ } return; } /* 11. an ceng bian li */ void levelOrder(struct BTreeNode *bt) { struct BTreeNode *p; struct BTreeNode *q[QUEUE_MAX_SIZE]; int front = 0, rear = 0; /* jiang shu gen zhi zhen jin dui */ if(bt != NULL){ rear = (rear + 1) % QUEUE_MAX_SIZE; q[rear] = bt; } while(front != rear){ /* dui lie fei kong */ front = (front + 1) % QUEUE_MAX_SIZE; /* shi dui shou zhi zhen zhi xiang dui shou yuan su */ p = q[front]; printf("%c ", p->data); /* ruo jie dian cun zai zuo hai zi , ze zuo hai zi jie dian zhi zhen jin dui */ if(p->left != NULL){ rear = (rear + 1) % QUEUE_MAX_SIZE; q[rear] = p->left; } /* ruo jie dian cun zai you hai zi , ze you hai zi jie dian zhi zhen jin dui */ if(p->right != NULL){ rear = (rear + 1) % QUEUE_MAX_SIZE; q[rear] = p->right; } } return; } /************************************************************************/ /* int main(int argc, char *argv[]) { struct BTreeNode *bt; /* zhi xiang er cha shu gen jie dian de zhi zhen */ char *b; /* yong yu cun ru er cha shu guang yi biao de zi fu chuan */ elemType x, *px; initBTree(&bt); printf(" shu ru er cha shu guang yi biao de zi fu chuan :\n"); /* scanf("%s", b); */ b = "a(b(c), d(e(f, g), h(, i)))"; createBTree(&bt, b); if(bt != NULL) printf(" %c ", bt->data); printf(" yi guang yi biao de xing shi shu chu :\n"); printBTree(bt); /* yi guang yi biao de xing shi shu chu er cha shu */ printf("\n"); printf(" qian xu :"); /* qian xu bian li */ preOrder(bt); printf("\n"); printf(" zhong xu :"); /* zhong xu bian li */ inOrder(bt); printf("\n"); printf(" hou xu :"); /* hou xu bian li */ postOrder(bt); printf("\n"); printf(" an ceng :"); /* an ceng bian li */ levelOrder(bt); printf("\n"); /* cong er cha shu zhong cha zhao yi ge yuan su jie dian */ printf(" shu ru yi ge dai cha zhao de zi fu :\n"); scanf(" %c", &x); /* ge shi chuan zhong de kong ge tiao guo kong bai zi fu */ px = findBTree(bt, x); if(px){ printf(" cha zhao cheng gong :%c\n", *px); }else{ printf(" cha zhao shi bai !\n"); } printf(" er cha shu de shen du wei :"); printf("%d\n", BTreeDepth(bt)); clearBTree(&bt); return 0; } */
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