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Discussion of Problem 1005. Stone Pile

what is my problem???
Posted by ws 11 Aug 2006 13:52
#include<iostream>
using namespace std;
int main()
{
    int a;
    cin>>a;
    while(a<=0)
        cin>>a;
    while(a>20)
        cin>>a;
    int group[20];
    for(int a1=0;a1<a;a1++)
    {
        cin>>group[a1];

    }
    for(int a2=0;a2<a-1;a2++)
    {

     for(int a3=a2+1;a3<a;a3++)
      {
        int c=group[a2];
        if(group[a2]<=group[a3])
            group[a2]=group[a3],group[a3]=c;
      }
    }
    if(a==1)
        cout<<group[0]<<endl;
    if(a==2)
        cout<<group[0]-group[1]<<endl;
    int sum=0;
    for(int d=0;d<a;d++)
    {
                 if(sum<=group[d])
                 sum=group[d]-sum;
                 else
                 sum=sum-group[d];
    }
    cout<<sum<<endl;
return 0;
}



Re: what is my problem???
Posted by ws 23 Aug 2006 19:15
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