java 彩票

import java.util.*;
 class CaiPiao3{
 public static void main(String [] args){
   System.out.println("交钱");
   Scanner key = new Scanner(System.in);
   int money = key.nextInt();
   getCaiPiao(money);
  }

  public void getCaiPiao(int money){

   
   int zhus = money/2;

   for(int i=1;i<=zhus;i++){
    int [] zhu= getOneZhu();
    printZhu(zhu);

   }

   

  }

 

  public static void printZhu(int [] zhu){

    
   
    for(int n=1;n<=7;n++){

     System.out.print(zhu[zhu.length-n]+"\t");

     

     

    }
    System.out.println();
   

  }

  public static int[]  getOneZhu(){

    int  []  longzhus = new int[36];

    for(int j=0;j<longzhus.length;j++){

     longzhus[j] = j+1;
    

    }

   
    for(int k=1;k<=7;k++){

     int pos = (int)(Math.random()*(37-k));

 

     int tmp;
     
     tmp = longzhus[pos] ;

    

     longzhus[pos] =longzhus[longzhus.length-k];

      
     longzhus[longzhus.length-k]=tmp;
    

 

 

 

 

    }

   return longzhus;

   

  }