四则运算二柱子1

package jishu;

import java.util.Random;

import java.util.Scanner;

public class Suanshu {

static Scanner scan=new Scanner(System.in);

static int num;

static String[] str=new String[4];

public static void main(String[]args) {

   int a[]=new int[1000000];

   int b[]=new int[1000000];

   int c[]=new int[1000000];

   System.out.print("请输入一共输入多少个");

int x;

num=scan.nextInt();

System.out.println("一行个数");

x=scan.nextInt();

str[0]="+";

str[1]="-";

str[2]="*";

str[3]="/";

Random rand=new Random();

int num0=0;

int num1;

int num2,num3;

for(int i=0;i<num;i++) {

int z=0;

do {

num1=rand.nextInt(99)+1;

num2=rand.nextInt(4);

if(num2==1) num3=rand.nextInt(num1);

if(num2==2) {

num3=rand.nextInt(100/num1);

}

else num3=rand.nextInt(98)+1;

if(num0>=1) {

for(int j=0;j<num0;j++) {

if((num1==a[j])&&(num2==b[j])&&(num3==c[j])) {

z=0;

}

else {

a[j]=num1;

b[j]=num2;

c[j]=num3;

    z=1;

    num0++;

}

if(num0==0) {

a[0]=num1;

b[0]=num2;

c[0]=num3;

               num0++;

               z=1;

 }

  }

}

    }while(z==1);

System.out.print(i+1);

System.out.print("、");

System.out.print(num1);

System.out.print(str[num2]);

System.out.print(num3);

System.out.print("=");

if((i+1)%x==0)

System.out.println(" ");

else

System.out.print(" ");

 }

}

}