http://blog.csdn.net/zjut_ym/article/details/45008259
- 建立2个数据项按从大到小排列的链表,实现2个链表的合并,并输出合并后链表的数据项。
函数代码如下
using namespace std;
struct node{int data;node *next;
};
node *head=NULL;node *tail=NULL;node *temp;
node *createlist(int n)
{int num;cin>>num;head=new node; if(head==NULL){cout<<"No memory available!";return NULL;}else{head->data=num;head->next=NULL;tail=head;}for(int i=0;i<n-1;i++){cin>>num;temp=new node; if(temp==NULL){cout<<"No memory available!";return head;}else{temp->data=num;temp->next=NULL;tail->next=temp;tail=temp;}}return head;
}
void display(node *head)
{cout<<"List is :"<<endl;while(head){cout<<head->data<<" ";head=head->next;}cout<<endl;
}
node *link(node *a,node *b)
{node *c=NULL;if(a==NULL)return b;else if(b==NULL)return a;if(a->data<=b->data){c=a;c->next=link(a->next,b);}else{c=b;c->next=link(a,b->next);}return c;
}
int main()
{int n,m;node *a,*b,*c;cout<<"请按从小到大的顺序依次输入两组数据:"<<endl;cout<<"第一组数据长度个数为:"<<endl;cin>>n;cout<<"请输入第一组数据"<<endl;a=createlist(n);cout<<"第二组数据长度个数为:"<<endl;cin>>m;cout<<"请输入第二组数据"<<endl;b=createlist(m);c=link(a,b);cout<<"将两组数据从小到大连接后:"<<endl;display(c);return 0;
}
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