SDUT—2057 模拟题

#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <iostream>
#include <algorithm>

using namespace std;

struct N
{
    int data;
    char name[21];
    N *next;
};

N *creat()
{
    N *p = (struct N *)malloc(sizeof(struct N));
    p->next = NULL;
    return p;
}

void link(N *head,N *p)
{
    N *q = head;
    for(;q->next != NULL && q->next->data >= p->data; q = q->next);
    p->next = q->next;
    q->next = p;
}

int del(N *head,char *name)
{
    N *p = head;
    N *q = head->next;
    for(;q->next != NULL && strcmp(name,q->name) != 0;p = p->next,q = q->next);
    p->next = q->next;
    return q->data;
}

void change(N *head,N *p)
{
    p->data += del(head,p->name);
    link(head,p);
}

void output_rank(N *head)
{
    int sum,temp;
    printf("#1 :");
    for(head = head->next,temp = head->data;head != NULL;)
    {
        if(temp == head->data)
        {
            printf(" %s",head->name);
            head = head->next;
        }
        else break;
    }
    if(head == NULL) return;
    printf("
#2 :");
    for(temp = head->data,sum = 1;head != NULL;)
    {
        if(temp == head->data)
        {
            printf(" %s",head->name);
            head = head->next;
        }
        else
        {
            sum++;
            if(sum <= 2)
            {
                temp = head->data;
                printf(" %s",head->name);
                head = head->next;
            }
            else break;
        }
    }
    if(head == NULL) return;
    printf("
#3 :");
    for(temp = head->data,sum = 1;head != NULL;)
    {
        if(temp == head->data)
        {
            printf(" %s",head->name);
            head = head->next;
        }
        else
        {
            sum++;
            if(sum <= 3)
            {
                temp = head->data;
                printf(" %s",head->name);
                head = head->next;
            }
            else break;
        }
    }
    printf("
");
}

void output(N *head)
{
    for(N *p = head->next; p != NULL; p = p->next)
    cout<<p->name<<' '<<p->data<<endl;
}

int main()
{
    int n;
    N *head = creat();
    cin>>n;
    for(int i = 0;i < n; i++)
    {
        N *p = creat();
        cin>>p->name>>p->data;
        link(head,p);
    }

    char order;
    while(cin>>order && order != 'O')
    {
        if(order == 'A')
        {
            N *p = creat();
            cin>>p->name>>p->data;
            link(head,p);
        }
        else if(order == 'Q')
        {
            char name[21];
　　　　　　　cin>>name;
            del(head,name);
        }
        else if(order == 'C')
        {
            N *p = creat();
            cin>>p->name>>p->data;
            change(head,p);
        }
        else if(order == 'S')
        {
            output(head);
        }
    }
    output_rank(head);
    return 0;
}