有序链表的归并

来源:互联网 发布:php环境集成包 编辑:程序博客网 时间:2024/06/06 12:51
链表四:有序链表的归并
Time Limit: 1000MS Memory Limit: 65536KB
SubmitStatistic

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 51 23 26 45 66 9914 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;}
0 0