我要评论#include<iostream>
#include<assert.h>
using namespace std;
struct node
{
int val;
node * next;
node(int v)
{
val=v;
next=null;
}
};
node * merge(node* list1 , node * list2)
{
assert(list1!=null&&list2!=null);
node * res;
if(list1->val<=list2->val)
{
res=list1;
list1=list1->next;
}
else
{
res=list2;
list2=list2->next;
}
node * p = res;
node *p1 =list1,*p2 =list2;
while(p1!=null&&p2!=null)
{
if(p1->val<=p2->val)
{
p->next=p1;
p=p->next;
p1=p1->next;
}
else
{
p->next=p2;
p=p->next;
p2=p2->next;
}
}
while(p1!=null)
{
p->next=p1;
p=p->next;
p1=p1->next;
}
while(p2!=null)
{
p->next=p2;
p=p->next;
p2=p2->next;
}
return res;
}
int * merge(int * arr1,int la, int * arr2,int lb)
{
int i=0,j=0;
int * arr = new int[la+lb];
int t=0;
while(i<la&&j<lb)
{
if(arr1[i]<=arr2[j])
{
arr[t++]=arr1[i];
i++;
}
else
{
arr[t++]=arr2[j];
j++;
}
}
while(i<la)
{
arr[t++]=arr1[i];
i++;
}
while(j<lb)
{
arr[t++]=arr2[j];
j++;
}
return arr;
}
void setlinkdata(node * & list1 , node * & list2)
{
node * node1 = new node(2);
node * node2 = new node(3);
node * node3 = new node(7);
node * node4= new node(9);
node1->next=node2;
node2->next=node3;
node3->next=node4;
list1=node1;
node * node5 = new node(1);
node * node6 = new node(4);
node * node7 = new node(6);
node * node8 = new node(8);
node5->next=node6;
node6->next=node7;
node7->next=node8;
list2=node5;
}
int main()
{
node * list1;
node * list2;
setlinkdata(list1,list2);
int arr1[]={1,6,15,17,19};
int arr2[]={2,4,6,8,10};
int * arr = merge(arr1,5,arr2,5);
node * ans = merge(list1,list2);
//print result
int length=10;
for(int i=0;i<10;i++)
{
cout<<*arr<<endl;
arr++;
}
while(ans!=null)
{
cout<<ans->val<<endl;
ans=ans->next;
}
return 0;
}
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