zp1278.cpp

一个acm题目系统会自动删除debug和release目录

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

#pragma hdrstop

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

#pragma argsused
#include<iostream>
using namespace std;
int main(int argc, char* argv[])
{
  int z,y,m,l,L,r,s;
  cin>>z>>y>>m>>L;
  r=0;
  while (z+y+m+L)
  {
    z%=m;y%=m;l=(z*L+y)%m;s=1;
    while (L-l)
    {
      z%=m;y%=m;
      l=((z*l)%m+y)%m;
      s++;
    }
    r++;
    cout<<"Case "<<r<<": "<<s<<endl;
    cin>>z>>y>>m>>L;
  }
  return 0;
}
//---------------------------------------------------------------------------