Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

Re:哪位大牛帮忙看下我的对哪有问题啊?

Posted by snowbirds at 2009-05-13 17:13:21 on Problem 2051
In Reply To:哪位大牛帮忙看下我的对哪有问题啊? Posted by:snowbirds at 2009-04-24 20:37:30
> #include<stdio.h>
> #define MAX 200000
> struct node
> {
>     int fval;
>     int num;
>     int lval;
> }a[MAX];
> int pos;
> void insert(int qnum,int first_val,int current_val)
> {
>      int i=pos;
>      while(i>=2 && a[i/2].lval>=current_val )
>      {
>        if(a[i/2].lval==current_val)
>        {
>           if(a[i/2].num>qnum)
>           {
>              a[i].fval=a[i/2].fval;
>              a[i].lval=a[i/2].lval;
>              a[i].num=a[i/2].num;
>           }
>        }
>        else {
>                   
>             a[i].fval=a[i/2].fval;
>             a[i].lval=a[i/2].lval;
>             a[i].num=a[i/2].num;
>             }
>            i=i/2;  
>      }        
>             
>              a[i].fval=first_val;
>              a[i].num=qnum;
>              a[i].lval=current_val;//printf("%d ",a[i].lval);
>              pos++;
>     
> }
> int deletemin()
> {
>     int min=a[1].num;
>     int ll_num=a[1].num;
>     int ll_fval=a[1].fval;
>     int ll_lval=a[1].lval;
>     int l_num=a[pos-1].num;
>     int l_fval=a[pos-1].fval;
>     int l_lval=a[pos-1].lval;
>     int i;
>     int child;
>     for(i=1;i*2<pos;i=child)
>     {
>          child=2*i;
>         if(a[child+1].lval==a[child].lval  &&(child+1!=pos) )
>         {
>            if(a[child+1].num<a[child].num)
>            child++;
>         }   
>         else if(a[child+1].lval<a[child].lval  &&(child+1!=pos))
>         child++;
>        if(l_lval<a[child].lval)
>        break;
>            else   {
>                  a[i].lval=a[child].lval;
>                  a[i].fval=a[child].fval;
>                  a[i].num=a[child].num;
>                   }  
>                  
> 
>    }
>     a[i].lval=l_lval;
>     a[i].fval=l_fval;
>     a[i].num=l_num;
>     pos--;
>     insert(ll_num,ll_fval,ll_fval+ll_lval);
>     return min;
> }
> 
> int main()
> {
>     freopen("in.txt","r",stdin);
>     pos=1;
>     char b[100];
>     int qnu,va;
>     while( scanf("%s",b) && b[0]!='#')
>     {
>            scanf("%d %d",&qnu,&va);
>            insert(qnu,va,va);
>     }
>     int k;
>     scanf("%d",&k);
>     int num=0;
>     int i;
>     
>     while(num<k)
>     {
>       printf("%d\n",deletemin());
>       //for(i=1;i<=2;i++)
>       //printf("tt%d %d %dtt",a[i].num,a[i].fval,a[i].lval);
>      num++;
>     }
>     while(1);
>     return 0;
> }  
>         
已解决

Followed by:

Post your reply here:
User ID:
Password:
Title:

Content:

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator