zp1405_w.cpp

一个acm题目系统会自动删除debug和release目录

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

//---------------------------------------------------------------------------

#pragma argsused
#include <iostream>
#include <string>
using namespace std;

int main(int argc, char* argv[])
{
  char st[60];
  int n,m,x,ln,i,p[30];
  cin>>n;
  while (n)
  {
    cin>>st;
    ln=strlen(st);
    for (i=0;i<26;i++)
      p[i]=0;
    m=0;  x=0;
    for (i=0;i<ln;i++)
      if (p[st[i]-'A']==0)
      {
        m++;
        p[st[i]-'A']=1;
        if (m>x)
        {
          x=m;
          if (m>n)
          {
            m--;
            p[st[i]-'A']=0;
          }
        }
      }
      else
        m--;

    if (x<=n)
      cout<<"All customers tanned successfully.";
    else
      cout<<x-n<<" customer(s) walked away.";
    cout<<endl;

    cin>>n;
  }
  return 0;
}
//---------------------------------------------------------------------------