10.16

include <stdio.h>

include <stdlib.h>

typedef int ElementType;
typedef struct Node *PtrToNode;
struct Node {
ElementType Data;
PtrToNode Next;
};
typedef PtrToNode List;

List Read(); /* 细节在此不表 /
void Print( List L ); / 细节在此不表；空链表将输出NULL */

List Merge( List L1, List L2 );

int main()
{
List L1, L2, L;
L1 = Read();
L2 = Read();
L = Merge(L1, L2);
Print(L);
Print(L1);
Print(L2);
return 0;
}
List Merge(List L1,List L2){
List mergedHead=(List)malloc(sizeof(struct Node));
mergedHead->Next=NULL;
PtrToNode p=mergedHead;;
PtrToNode p1=L1->Next;
PtrToNode p2=L2->Next;
while(p1!=NULL &&p2!=NULL){
if(p1->Data<=p2->Data){
p->Next=p1;
p1=p1->Next;
}else{
p->Next=p2;
p2=p2->Next;
}
p=p->Next;
}
if(p1!=NULL){
p->Next=p1;
}else{
p->Next=p2;
}
L1->Next=NULL;
L2->Next=NULL;
return mergedHead;
}