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

疯了疯了,怎么总是RE!

Posted by Manio at 2006-09-19 11:56:09 on Problem 2081
#include <iostream>
using namespace std;
#define RSIZE 50000000
#define ASIZE 5000000
int main()
{
    bool rec[RSIZE];
    long a[ASIZE];
    long i;
    for (i=0;i<RSIZE;i++)
        rec[i]=false;
    for (i=0;i<ASIZE;i++)
        a[i]=0;
    a[0]=0;
    for (i=1;i<ASIZE;i++)
    {
        a[i]=a[i-1]-i;
        if(a[i]<=0 || rec[a[i]]==true)
                   a[i]=a[i-1]+i;
        rec[a[i]]=true;
    }
    long n;
    while(cin>>n)
    {
                 if(n==-1)return 0;
                 cout<<a[n]<<endl;    
    }    
    return 0;
    
}


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