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4.c
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//descending
#include<stdio.h>
#include<stdlib.h>
typedef struct data_node
{
int a;
struct data_node *next;
}*data;
typedef struct link_list
{
int na,nb;
data a,b;
}*pointer;
void input(pointer p);
void get_node(data *p,int m);
void insert(pointer p);
void output(data p);
int main()
{
struct link_list one;
input(&one);
insert(&one);
output(one.a);
return 0;
}
void input(pointer p)
{
scanf("%d%d",&p->na,&p->nb);
get_node(&p->a,p->na);
get_node(&p->b,p->nb);
return ;
}
void get_node(data *p,int m)
{
int i;
data save;
for(i=0,save=NULL;i<m;i++)
{
*p=(data)calloc(1,sizeof(struct data_node));
if(*p==NULL)
exit(1);
scanf("%d",&((*p)->a));
(*p)->next=save;
save=*p;
}
return ;
}
void insert(pointer p)
{
data ap,an;
data save;
for(an=p->a,ap=NULL;p->b!=NULL;)
{
while((an->a > p->b->a)&&(an!=NULL))
{
ap=an;
an=an->next;
}
if(an==NULL)
{
ap->next=p->b;
break;
}
save=p->b->next;
if(an==p->a)
{
p->b->next=p->a;
p->a=p->b;
ap=p->a;
}
else
{
p->b->next=ap->next;
ap->next=p->b;
ap=ap->next;
}
p->b=save;
}
return ;
}
void output(data p)
{
data save;
while(p!=NULL)
{
printf("%d ",p->a);
save=p;
p=p->next;
free(save);
}
printf("\n");
return ;
}