线切割编程怎样编啊

850,1000,5670,2250,9650,2380,1700,3000,2000}};
Head = create_link(Head,MAX,arr);
print_link(Head);
for(;;)
{
char answer;
printf("Insert your choice(0:insert at the beginning;100:quit or the exact key after):\n");
scanf("%d",&flag);
if(flag == 100) break;
New = (Link)malloc(sizeof(Node));
printf("Please insert the key value:");
scanf("%d",&key);
New->Number = key;
printf("Please insert the value:");
scanf("%d",&value);
New->Total = value;
if(flag == 0) Head = insert_head(Head,New);
else Head = insert_midend(Head,New,key);
print_link(Head);

printf("Are you sure of what you did(y/n):\n");
scanf("%c",&answer);
if(answer == 'n')
{
if(flag == 0) Head = delete_head(Head);
else Head = delete_midend(Head,key);
}
print_link(Head); <