#include <stdio.h>
#include<stdlib.h>

struct work_info
{
	int num;
	int work;
	int ranking;
	struct work_info *next;
};
int length;
typedef struct work_info worker;

worker *create_w_Doc();
void print_w_Doc(worker *head);
void input_w_Doc(worker *head);
void delect_w_Doc(worker *head);
void fun1_w_Doc(worker *head);
void stor_w_Doc(worker *head);
void fun_w_Doc(worker *head);

int main()
{
	worker *head;
	head=create_w_Doc();
	input_w_Doc(head);
	delect_w_Doc(head);
	fun1_w_Doc(head);
	fun_w_Doc(head);
	stor_w_Doc(head);
	print_w_Doc(head);
	return 0;
}

worker *create_w_Doc()
{
	printf("                           ***************************                    \n "); 
	printf("                           *      职工工作量统计     *                     \n ");
	worker *head,*p1,*p2;
	length=0; 
	int num,work;
	head=p1=(worker*)malloc(sizeof(worker));
	printf("请输入工号、工作量：\n\n");
	scanf("%d%d",&num,&work); 
	while(num!=0)
	{
		p2=(worker*)malloc(sizeof(worker));
		p2->num=num;
		p2->work=work;
		p1->next=p2;
		p1=p2;
		length++;
		scanf("%d%d",&num,&work); 
	}
	printf("输入成功!\n\n");
	return head;
}

void input_w_Doc(worker *head)
{
	worker *p1,*p2;
	int n,i;
	p1=head;
	printf("请输入你需要加入的位置："); 
	scanf("%d",&n);
	   if(n>length)
	    {
		printf("输入错误！\n");
		return; 
		}	
	   else
		{ 
		printf("输入职工工号、工作量：\n");
		p2=(worker*)malloc(sizeof(worker));
		scanf("%d%d",&p2->num,&p2->work);
		p1=head;
		while(p1!=NULL)
            {
	        if(p1->num==p2->num)
	        {
	    	printf("输入不正确，请重新输入：");
    		scanf("%d%d",&p2->num,&p2->work);
    	    }
    		p1=p1->next;
            }
	    	p1=head;
        	for(i=0;i<n;i++)
            {
	         p1=p1->next;
             }
	        p2->next=p1->next;
	   	    p1->next=p2;
            length++;
            printf("插入成功！\n\n");
	        return; 
			}
}  

void delect_w_Doc(worker *head)
{
	worker *p1,*p2;
	int num;
	p1=head->next;
	p2=head;
	printf("请输入需要删除的工号：");
	scanf("%d",&num);
	while(p1!=NULL)
	{
	 	if(p1->num==num)
	 	{
		p2->next=p1->next;	
	 	free(p1);
	 	length--;
	 	printf("删除成功！\n\n");
	 	return;
		}
	    p1=p1->next;
	    p2=p2->next;
	}
	printf("输入错误！\n\n"); 
}
void fun1_w_Doc(worker *head)
{
	worker *p1;
	int num, work;
	p1=head;
	printf("请输入你需要累加的工号：");
	scanf("%d",&num);
	p1=head;
	do
	{
		if(p1->num==num)
		{
		    printf("请输入你需要累加的工作量：");
			scanf("%d",&work);
			p1->work+=work;
			return; 
		}
		p1=p1->next;
	}while(p1!=NULL);
 
}

void fun_w_Doc(worker *head)
{
	worker *p1,*p2;
	p1=head;
	p2=head->next;
       for(p1=head;p1!=NULL;p1=p1->next)
 	   {
	 	for(p2=p1->next;p2!=NULL;p2=p2->next)
    	{
    		if(p1->work<p2->work)
    		{
     		p1->next=p2->next;
	    	p2->next=p1;
	    	p2=p1;
	        }
	 	}
    }
   return;
}

void stor_w_Doc(worker *head)
{
	worker *p1,*p2;
	int n;
	p1=head->next;
	int i;
	i=1;
	while(p1!=NULL)
	{ 
		p1->ranking=i;
		p1=p1->next;
		i++;
	}
     	return;
}

void print_w_Doc(worker *head)
{
	worker *p;
	if(p=NULL)
	{
		printf("无记录！");
		 return;
	}
	printf("记录为：\n\n");
	printf("工号  工作量   名次\n");
	p=head->next;
	do
	{
		printf("%d       %d        %d\n",p->num,p->work,p->ranking);
		p=p->next; 
	}while(p!=NULL); 
}