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}

return h; }

[2001ÇïII.14]ÉèÁ´±íÉϽáµãµÄÊý¾Ý½á¹¹¶¨ÒåÈçÏ£º

struct PNODE

{ int x;

PNODE *next;

};

ÉèÒѽ¨Á¢ÁËÒ»ÌõÁ´±í£¬hΪÁ´Ê×Ö¸Õë¡£º¯ÊýDelAddµÄ¹¦ÄÜΪ£ºÈôÁ´±íÉÏÄÜÕÒµ½½áµãµÄxֵΪvalue£¬Ôò´ÓÁ´±íÉÏɾ³ý¸Ã½áµã£¨¼Ù¶¨Á´±íÉϸ÷¸ö½áµãµÄÖµÊDz»Í¬µÄ£©£»·ñÔò¹¹ÔìÒ»¸öнáµã£¬ÆäxµÄֵΪvalue£¬²¢½«Ð½áµã²åÈëÁ´Î²¡£¸Ãº¯Êý·µ»ØÐÂÁ´±íµÄÊ×Ö¸Õë¡£ [³ÌÐò]£¨4·Ö£©

PNODE *DelAdd(PNODE *h, int value) { PNODE *p1, *p2;

int flag=0; // ֵΪ1ʱ£¬±íʾÒÑɾ³ýֵΪvalueµÄ½áµã

p1=h;

while(p1&&flag==0) { if(p1->x==value) { flag=1; if(p1==h)

{ h= (27) ; delete p1; } // p1->next else

{ p2->next= (28) ; delete p1; } // p1->next

} else

{ p2=p1; p1= (29) ; } // p1->next }

if(flag==0)

{ p1=new PNODE; p1->x=value; p1->next=0; if(h==0) h==p1;

else (30) ; // p2->next=p1 } return h; }

[2001´ºII.13]ÏÂÃæ³ÌÐòÖУ¬º¯ÊýpaddµÄ¹¦ÄÜΪµ÷ÕûpaÖ¸ÏòµÄÁ´±íÖнáµãµÄλÖã¬Ê¹µÃËùÓÐxֵΪżÊýµÄ½áµã³öÏÖÔÚÁ´±íµÄǰ°ë²¿£¬ËùÓÐxÖµÎªÆæÊýµÄ½áµã³öÏÖÔÚÁ´±íµÄºó°ë²¿¡£Èç±¾³ÌÐòµÄÊä³öΪ£º10,8,6,4,2,1,3,5,7,9¡£ #include struct NODE { int x;

NODE *next; };

NODE *padd(NODE *pa)

{ NODE *p1, *p2, *p;

p1=p2=pa; while(p1)

{ if(p1->x%2==0&&_________________) // p1!=pa µÚ1¸ö½áµãΪżÊýʱ²»È¡

{ p=p1; p1=p1->next;

________________=p1; // ´ÓÁ´±íÉÏÈ¡ÏÂżÊý½áµã²¢²åÈëÁ´Ê× //p2->next p->next=pa; __________________; //pa=p

}

else { p2=p1; p1=p1->next; } }

return pa; }

void main(void)

{ NODE a[10]={{1},{2},{3},{4},{5},{6},{7},{8},{9},{10}}, *ha=a, *p;

int i;

for(i=0; i<9; i++) a[i].next=______________; // À­³ÉÁ´±í // &a[i+1]

a[9].next=NULL; ha=padd(ha); p=ha; while(p)

{ cout<x<<¡¯,¡¯ ; p=p->next; } cout<<¡¯\\n¡¯;

}

*[2000ÇïII.11]Éè½áµãµÄÊý¾Ý½á¹¹¶¨ÒåÈçÏ£º

struct PNODE

{ int x,y ; PNODE *next; };

º¯ÊýpaddµÄ¹¦ÄÜΪ£º¸ù¾Ýpa£¬pbÖ¸ÏòµÄÁ½¸öÁ´±í£¨°´½áµãµÄyÖµÉýÐòÅÅÁУ©Éú³ÉÒ»¸öÐÂÁ´±í(pcΪÁ´Ê×Ö¸Õë)¡£ÐÂÉú³ÉÁ´±íÈÔ°´yÖµÉýÐòÅÅÁС£Éú³ÉÐÂÁ´±íµÄ¹æÔòΪ£ºµ±ÔÚpaºÍpbÁ´±íÖз¢ÏÖyÖµÏàͬµÄ½áµãʱ£¬ÔòÔÚpcÁ´±íÖÐÔö¼ÓÒ»¸öнáµã£¬Ð½áµãµÄxȡֵΪÁ½Á´±íÖжÔÓ¦µÄÁ½¸ö½áµãµÄxÖµÖ®ºÍ£¬Ð½áµãµÄyȡֵΪpa»òpbÁ´±íÖжÔÓ¦½áµãµÄyÖµ¡£ PNODE *padd(PNODE *pa, PNODE *pb) { PNODE *pcr,*pt,*pc=0;

while( (27) ) // pa&&pb

{ if(pa->y==pb->y)

{ pt=new (28) ; // PNODE pt->x=pa->x+pb->x; pt->y=pa->y;pt->next=NULL; if(pc==NULL) pc=pcr=pt; else

{ pcr->next=pt; (29) ; } // pcr=pt; pa=pa->next; pb=pb->next;

} else

if( (30) ) pb=pb->next; // pa->y>pb->y

else pa=pa->next; }

return pc; }

[05¼¶ÊÔ¾íA]ѧÉúµÄ¼Ç¼ÓÉѧºÅºÍ³É¼¨×é³É£¬ÉèÈô¸ÉÃûѧÉúµÄÊý¾ÝÒÑÔÚÖ÷º¯ÊýÖдæ·Åµ½Á´±íÖС£ÏÂÁк¯ÊýfunµÄ¹¦ÄÜÊÇ£ºÓÃÁ´±íÖиßÓÚ»òµÈÓÚÆ½¾ù·ÖµÄѧÉúÊý¾Ý¹¹³ÉÒ»¸öÓÉÍ·Ö¸ÕëhËùÖ¸ÏòµÄÐÂÁ´±í£¬½¨Á¢ÐÂÁ´±íʱÿ´Î¶¼½«ÐÂÉú³ÉµÄ½áµã²åÈ뵽ͷ½áµãµÄÇ°Ãæ¡£ÐβÎheadÊÇÁ´±íÍ·Ö¸Õ룬ƽ¾ù·Öͨ¹ýÐβÎaver´ø»Ø£¬º¯Êý·µ»ØÐÂÁ´±íµÄÍ·Ö¸Õëh¡£ #include #include struct student {

char no[10]; // ѧºÅ float grade; // ³É¼¨ student *next; };

student *fun(student *head, float &aver) { student *h, *p, *p1; float sum=0;

int n=0;

aver=0;

p=head;

while(p!=NULL) // Çó³É¼¨ºÍ

{ sum= ; // sum+p->grade;

n++;

p=p->next;

}

aver=sum/n;

h=NULL;

p=head; while(p!=NULL) // ÓøßÓÚ»òµÈÓÚÆ½¾ù·ÖµÄѧÉúÊý¾Ý¹¹³ÉÒ»¸öеÄÁ´±í

{ if( ) // p->grade>=aver { p1=new student;

; // strcpy(p1->no, p->no); p1->grade = p->grade; p1->next=h; }

}

h=p1;

; // p=p->next; }

return h;

[05¼¶ÊÔ¾íB] ÒÔÏÂÓÃÃæÏò¶ÔÏóµÄ·½·¨ÊµÏÖÒ»¸öµ¥ÏòÁ´±í£¬Ö÷ҪʵÏÖÔÚÁ´±íβ׷¼ÓÒ»¸ö½áµãµÄ¹¦ÄÜ¡£

ÒªÇó£º

List head Node data next Node data next Node data NULL (1) ¶¨ÒåÒ»¸ö½áµãÀàNode£¬½á¹¹ÈçÉÏͼËùʾ¡£ dataÊÇÒ»¸öÕûÐÍÊý¾Ý¡£

(2) ¶¨ÒåÒ»¸öÁ´±íÀàList×÷ΪNodeÀàµÄÓÑÔªÀ࣬Æä˽ÓÐÊý¾Ý³ÉÔ±Node *headΪָÏòÁ´±íÊ×½áµãµÄÖ¸Õë¡£

¸÷³ÉÔ±º¯ÊýµÄ¹¦Äܼû³ÌÐòÖеÄ×¢ÊÍ£¬ÇëÍêÉÆ³ÌÐò¡£ #include class Node {

int data; Node *next;

public: Node(int d=0) //¹¹Ô캯Êý

{ data=d; next=NULL; }

________________________________; //½«ListÀà˵Ã÷³É±¾ÀàµÄÓÑÔªÀà

// friend class List; };

class List { Node *head;

public: List( ) //ȱʡ¹¹Ô캯Êý£¬½¨Á¢Ò»¸ö¿ÕÁ´±í

{ _____________________________; // head = NULL; }

List (int d); //¹¹ÔìÒ»¸öµÚ1¸ö½áµãÊý¾ÝֵΪ d µÄ½áµã void append(int d=0); //×·¼ÓÒ»¸öÊý¾ÝֵΪdµÄ½áµãµ½Á´±íβ²¿ void print( ); //Êä³öÁ´±í¸÷½áµãÖµ

~List( ); //Îö¹¹º¯Êý£¬ÊÍ·ÅÁ´±í¸÷½áµã¿Õ¼ä

};

List::List(int d) //¹¹ÔìÒ»¸öµÚ1¸ö½áµãÊý¾ÝֵΪ d µÄ½áµã { head=new Node(d); }

void List::append(int d) //×·¼ÓÒ»¸öÊý¾ÝֵΪdµÄ½áµãµ½Á´±íβ²¿ {

if(head==NULL) {

head = new Node(d);

}

else { Node *p=head;

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} return h; } [2001ÇïII.14]ÉèÁ´±íÉϽáµãµÄÊý¾Ý½á¹¹¶¨ÒåÈçÏ£º struct PNODE { int x; PNODE *next; }; ÉèÒѽ¨Á¢ÁËÒ»ÌõÁ´±í£¬hΪÁ´Ê×Ö¸Õë¡£º¯ÊýDelAddµÄ¹¦ÄÜΪ£ºÈôÁ´±íÉÏÄÜÕÒµ½½áµãµÄxֵΪvalue£¬Ôò´ÓÁ´±íÉÏɾ³ý¸Ã½áµã£¨¼Ù¶¨Á´±íÉϸ÷¸ö½áµãµÄÖµÊDz»Í¬µÄ£©£»·ñÔò¹¹ÔìÒ»¸öнáµã£¬ÆäxµÄֵΪvalue£¬²¢½«Ð½áµã²åÈëÁ´Î²¡£¸Ãº¯Êý·µ»ØÐÂÁ´±íµÄÊ×Ö¸Õë¡£ [³ÌÐò]£¨4·Ö£© PNODE *DelAdd(PNODE *h, int value) { PNODE *p1, *p2; int flag=0; // ֵΪ1ʱ£¬±íʾÒÑɾ³ýֵΪvalueµÄ½áµã p1=h;

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