C语言实现计算双色球的中奖率 双色球中奖最准确算法

// 程序功能：双色球中奖率计算
// 编译环境：VS2013
// 结    论：中奖率为 6.7%
 
#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<time.h>
#include<sys/timeb.h>
 
struct RED
{
  bool IS_CHOSE;
  int number;
};
 
struct BLUE
{
  bool IS_CHOSE;
  int number;
};
 
void initBALL(RED *red, BLUE *blue);
void printfZJ(RED *red, BLUE *blue);
int printfZT(RED *red, BLUE *blue, RED *myred, BLUE *myblue);
 
int main()
{
  struct timeb timeSeed;
  ftime(&timeSeed);
  srand(timeSeed.time * 1000 + timeSeed.millitm);
  printf("彩票中奖号码为：\n");
  RED red[33];
  BLUE blue[16];
  initBALL(red, blue);
  printfZJ(red, blue);
  int CS = 1000000;  // 购买次数
  int ZERO = 0;
  int ONE = 0;
  int TWO = 0;
  int THREE = 0;
  int FOUR = 0;
  int FIVE = 0;
  int SIX = 0;
  for (int i = 0; i < CS; i++)
  {
    //printf("购买的彩票号码为：\n");
    RED myred[33];
    BLUE myblue[16];
    initBALL(myred, myblue);
    //printfZJ(myred, myblue);
    int DJ = printfZT(red, blue, myred, myblue);
    switch (DJ)
    {
    case 0:ZERO++; break;
    case 1:ONE++; break;
    case 2:TWO++; break;
    case 3:THREE++; break;
    case 4:FOUR++; break;
    case 5:FIVE++; break;
    case 6:SIX++; break;
    }
  }
 
  printf("总共选择%d次\n", CS);
  printf("没中奖%d次\n", ZERO);
  printf("一等奖%d次\n", ONE);
  printf("二等奖%d次\n", TWO);
  printf("三等奖%d次\n", THREE);
  printf("四等奖%d次\n", FOUR);
  printf("五等奖%d次\n", FIVE);
  printf("六等奖%d次\n", SIX);
  int outmoney = CS * 2;
  int inmoney = SIX * 5 + FIVE * 10 + FOUR * 200 + THREE * 3000 + TWO * 341021 + ONE * 10000000;
  printf("共耗资%d元，中奖%d元,亏损%d元\n", outmoney, inmoney, outmoney - inmoney);
  int ZJ = CS - ZERO;
  double ZJL = (ZJ*1.0) / CS * 100;
  printf("中奖率为：%lf", ZJL);
  _getch();
  return 0;
}
void initBALL(RED *red, BLUE *blue)
{
  for (int i = 0; i < 33; i++)
  {
    red[i].IS_CHOSE = false;
    red[i].number = i + 1;
  }
  for (int i = 0; i < 16; i++)
  {
    blue[i].IS_CHOSE = false;
    blue[i].number = i + 1;
  }
  for (int i = 0; i < 6; i++)
  {
    while (true)
    {
      int NUM = rand() % 33 + 1;
      if (red[NUM - 1].IS_CHOSE)
      {
        continue;
      }
      else
      {
        red[NUM - 1].IS_CHOSE = true;
        red[NUM - 1].number = NUM;
        break;
      }
    }
  }
  int NUM = rand() % 16 + 1;
  blue[NUM - 1].IS_CHOSE = true;
  /*blue[NUM - 1].number=NUM;*/
}
 
void printfZJ(RED *red, BLUE *blue)
{
  printf("红色球为\n");
  for (int i = 0; i < 33; i++)
  {
    if (red[i].IS_CHOSE)
    {
      printf("%d\t", red[i].number);
    }
  }
  printf("\n");
  printf("蓝色号为：\n");
  for (int i = 0; i < 16; i++)
  {
    if (blue[i].IS_CHOSE)
    {
      printf("%d\t\n", blue[i].number);
    }
  }
}
 
int printfZT(RED *red, BLUE *blue, RED *myred, BLUE *myblue)
{
  int rednumber = 0;
  int bluenumber = 0;
  for (int i = 0; i < 33; i++)
  {
    if (red[i].IS_CHOSE)
    {
      for (int j = 0; j < 33; j++)
      {
        if (myred[j].IS_CHOSE)
        {
          if (red[i].number == myred[j].number)
          {
            rednumber++;
            break;
          }
        }
      }
    }
  }
  for (int i = 0; i < 16; i++)
  {
    if (blue[i].IS_CHOSE)
    {
      for (int j = 0; j < 16; j++)
      {
        if (myblue[j].IS_CHOSE)
        {
          if (blue[i].number == myblue[j].number)
          {
            bluenumber++;
            break;
          }
        }
      }
      break;
    }
  }
  //printf("红色中%d\t蓝色中%d\n",rednumber,bluenumber);
  int DJ = 0;
  if (rednumber == 6 && bluenumber == 1)
  {
    DJ = 1;
  }
  if (rednumber == 6 && bluenumber == 0)
  {
    DJ = 2;
  }
  if (rednumber == 5 && bluenumber == 1)
  {
    DJ = 3;
  }
  if (rednumber == 5 && bluenumber == 0)
  {
    DJ = 4;
  }
  if (rednumber == 4 && bluenumber == 1)
  {
    DJ = 4;
  }
  if (rednumber == 4 && bluenumber == 0)
  {
    DJ = 5;
  }
  if (rednumber == 3 && bluenumber == 1)
  {
    DJ = 5;
  }
  if ((rednumber == 2 && bluenumber == 1) || (rednumber == 1 && bluenumber == 1) || (rednumber == 0 && bluenumber == 1))
  {
    DJ = 6;
  }
  return DJ;
}