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13. j+1£¬hashtable[j].key==k 14. return(t)£¬t=t->rchild

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1. Éè¼ÆÔÚµ¥Á´±íÖÐɾ³ýÖµÏàͬµÄ¶àÓà½áµãµÄËã·¨¡£

typedef int datatype;

typedef struct node {datatype data; struct node *next;}lklist; void delredundant(lklist *&head)

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{

lklist *p,*q,*s;

for(p=head;p!=0;p=p->next) {

for(q=p->next,s=q;q!=0; )

if (q->data==p->data) {s->next=q->next; free(q);q=s->next;} else {s=q,q=q->next;} } }

2. Éè¼ÆÒ»¸öÇó½áµãxÔÚ¶þ²æÊ÷ÖеÄË«Ç×½áµãËã·¨¡£

typedef struct node {datatype data; struct node *lchild,*rchild;} bitree; bitree *q[20]; int r=0,f=0,flag=0; void preorder(bitree *bt, char x) {

if (bt!=0 && flag==0)

if (bt->data==x) { flag=1; return;}

else {r=(r+1)% 20; q[r]=bt; preorder(bt->lchild,x); preorder(bt->rchild,x); } }

void parent(bitree *bt,char x) {

int i;

preorder(bt,x);

for(i=f+1; i<=r; i++) if (q[i]->lchild->data==x || q[i]->rchild->data) break; if (flag==0) printf(\

else if (i<=r) printf(\}

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1. Éèµ¥Á´±íÖÐÓнöÈýÀà×Ö·ûµÄÊý¾ÝÔªËØ(´óд×Öĸ¡¢Êý×ÖºÍÆäËü×Ö·û)£¬ÒªÇóÀûÓÃÔ­µ¥Á´±í

Öнáµã¿Õ¼äÉè¼Æ³öÈý¸öµ¥Á´±íµÄËã·¨£¬Ê¹Ã¿¸öµ¥Á´±íÖ»°üº¬Í¬Àà×Ö·û¡£ typedef char datatype;

typedef struct node {datatype data; struct node *next;}lklist; void split(lklist *head,lklist *&ha,lklist *&hb,lklist *&hc) {

31

lklist *p; ha=0,hb=0,hc=0; for(p=head;p!=0;p=head) {

head=p->next; p->next=0;

if (p->data>='A' && p->data<='Z') {p->next=ha; ha=p;}

else if (p->data>='0' && p->data<='9') {p->next=hb; hb=p;} else {p->next=hc; hc=p;} } }

2. Éè¼ÆÔÚÁ´Ê½´æ´¢½á¹¹ÉϽ»»»¶þ²æÊ÷ÖÐËùÓнáµã×óÓÒ×ÓÊ÷µÄËã·¨¡£

typedef struct node {int data; struct node *lchild,*rchild;} bitree; void swapbitree(bitree *bt) {

bitree *p;

if(bt==0) return;

swapbitree(bt->lchild); swapbitree(bt->rchild); p=bt->lchild; bt->lchild=bt->rchild; bt->rchild=p; }

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#define n 10

typedef struct node{int key; struct node *lchild,*rchild;}bitree; void bstinsert(bitree *&bt,int key) {

if (bt==0){bt=(bitree *)malloc(sizeof(bitree)); bt->key=key;bt->lchild=bt->rchild=0;} else if (bt->key>key) bstinsert(bt->lchild,key); else bstinsert(bt->rchild,key); }

void createbsttree(bitree *&bt) {

int i;

for(i=1;i<=n;i++) bstinsert(bt,random(100)); }

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