zp1494.cpp

一个acm题目系统会自动删除debug和release目录

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

#pragma hdrstop

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

#pragma argsused
#include <iostream.h>
int main(int argc, char* argv[])
{
  int n,u,d,t,w;
  cin>>n>>u>>d;
  while (n+u+d)
  {
    t=0;w=0;
    while (w<n) { t++; if (t%2) w+=u; else w-=d; }
    cout<<t<<endl;
    //cout<<(n-d-1)/(u-d)*2+1<<endl; 
    cin>>n>>u>>d;
  }
  return 0;
}
//---------------------------------------------------------------------------