醉酒者模拟仿真

#include<iostream>
using namespace std;
#include<ctime>
#include<cmath>
#include<cstdlib>
#define  ship 1
#define  bar 2
#define  water 3
int zuijiuzhe(void)
{
  int x = -10;
  int y = 0;
  int  step = 0;
  //srand((unsigned)time(NULL));
  while (abs(x) <= 10 && abs(y) <= 2)
  {
    switch (rand() % 10)
    {
    case 0:
      y++;
      break;
    case 1:
      y--;
    case 2:
      x--;
    default:
      x++;
    }
    step++;
  }
  if (x < -10)
   {
    cout << "走了" << step << "步后," << "回到酒馆继续喝酒" << endl;
    return  bar;
   }
  else  
   {
    if (x > 10)
    {
      cout << "走了" << step << "步后，" << "回到船上" << endl;
      return ship;
      }
    else
    {
      cout << "走了" << step << "步后，" << "掉进水中" << endl;
      return water;
    }
   }
}
int main()
{
  int shipman = 0;
  int barman = 0;
  int waterman = 0;
  int brunk = 0;
  cout << "请输入醉酒者总人数：";
  cin >> brunk;
  for (int i = 0; i < brunk; i++)
  {
    switch (zuijiuzhe())
    {
    case ship:
      shipman++;
      break;
    case bar:
      barman++;
      break;
    case water:
      waterman++;
      break;
      }
  }
  cout << "************************************************" << endl;
  cout << "醉酒者总人数为：" << brunk << "人" << endl ;
  cout << "其中回到船上的人总共有：" << shipman << "人" << endl;
  cout << "其中回到酒吧继续喝酒的人总共有：" << barman << "人" << endl;
  cout << "其中掉入水中的人总共有：" << waterman << "人" << endl;
  return 0;
}