链表四:有序链表的归并
Time Limit: 1000MS
Memory Limit: 65536KB
Submit
Statistic
Problem Description
分别输入两个有序的整数序列(分别包含M和N个数据),建立两个有序的单链表,将这两个有序单链表合并成为一个大的有序单链表,并依次输出合并后的单链表数据。
Input
第一行输入M与N的值;
第二行依次输入M个有序的整数;
第三行依次输入N个有序的整数。
Output
输出合并后的单链表所包含的M+N个有序的整数。
Example Input
6 5
1 23 26 45 66 99
14 21 28 50 100
Example Output
1 14 21 23 26 28 45 50 66 99 100
#include<stdio.h>
#include<stdlib.h>
struct node
{
int data;
struct node*next;
};
struct node*creat(int n)
{
struct node*p,*head,*tail;
head = (struct node*)malloc(sizeof(struct node));
head->next = NULL;
tail = head;
while(n--)
{
p = (struct node*)malloc(sizeof(struct node));
scanf("%d",&p->data);
p->next = NULL;
tail->next = p;
tail = p;
}
return head;
};
void display(struct node*head)
{
struct node*p;
p = head->next;
while(p!=NULL)
{
if(p->next==NULL)
printf("%d\n",p->data);
else
printf("%d ",p->data);
p = p->next;
}
}
int main()
{
int n , m ;
struct node*head1,*head2,*p,*q,*tail;
scanf("%d%d",&n,&m);
head1 = (struct node*)malloc(sizeof(struct node));
head1 = creat(n);
head2 = creat(m);
p = head1->next;
q = head2->next;
head1->next = NULL;
tail = head1;
free(head2);
while(p&&q)
{
if(p->data > q->data)
{
tail->next = q;
tail = q;
q = q->next;
}
else
{
tail->next = p;
tail = p;
p = p->next;
}
}
if(p)
tail->next = p;
else
tail->next = q;
p = head1->next;
while(p!=NULL)
{
if(p->next == NULL)
printf("%d\n",p->data);
else
printf("%d ",p->data);
p = p->next;
}
return 0;
}
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