package 测试;
import java.util.*;
public class Addition
{
public static void Repeat(int a[ ],int b[ ],int c[ ],int n)
{
Random rand=new Random( );
int i,j;
for(i=0;i<n;i++)
{
for(j=0;j<i;j++)
{
while(a[j]==a[i]&&b[j]==b[i]&&c[j]==c[i])
{
a[i]=rand.nextInt(100);
break;
}
}
}
}
public static void RandomInt(int a[ ],int b[ ],int c[ ],int n,int m,int d)
{
int i,temp;
Random rand=new Random( );
for(i=0;i<n;i++)
{
a[i]=rand.nextInt(d-m)+(m);
b[i]=rand.nextInt(d-m)+(m);
c[i]=rand.nextInt(4);
if(a[i]<b[i])
{
temp=a[i];
a[i]=b[i];
b[i]=temp;
}
switch(c[i])
{
case 0:System.out.print(i+1+" "+a[i]+"+"+b[i]+"="+'\n');break;
case 1:System.out.print(i+1+" "+a[i]+"-"+b[i]+"="+'\n');break;
case 2:System.out.print(i+1+" "+a[i]+"×"+b[i]+"="+'\n');break;
case 3:System.out.print(i+1+" "+a[i]+"/"+b[i]+"="+'\n');break;
}
}
}
public static void Exem(int a[ ],int b[ ],int c[ ],int error[ ],int n)
{
int i,g,h=0,k=0;
int []count2=new int[100];
int d[]=new int[100];
Scanner scan=new Scanner(System.in);
System.out.print("欢迎来到答题系统！"+'\n');
for(i=0;i<n;i++)
{
switch(c[i])
{
case 0:
{
System.out.print(i+1+" "+a[i]+"+"+b[i]+"=");
g=scan.nextInt( );
if(g==a[i]+b[i])
{
h++;
System.out.print("回答正确！"+'\n');
}
else
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
error[k]=i;
k++;
}
}break;
case 1:
{
System.out.print(i+1+" "+a[i]+"-"+b[i]+"=");
g=scan.nextInt( );
if(g==a[i]-b[i])
{
h++;
System.out.print("回答正确！"+'\n');
}
else
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
error[k]=i;
k++;
}
}break;
case 2:
{
System.out.print(i+1+" "+a[i]+"*"+b[i]+"=");
g=scan.nextInt( );
if(g==a[i]*b[i])
{
h++;
System.out.print("回答正确！"+'\n');
}
else
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
error[k]=i;
k++;
}
}break;
case 3:
{
System.out.print(i+1+" "+a[i]+"/"+b[i]+"=");
g=scan.nextInt( );
if(g==a[i]/b[i])
{
h++;
System.out.print("回答正确！"+'\n');
}
else
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
error[k]=i;
k++;
}
}break;
}
}
System.out.print("正确率："+(double)h/n+'\n');
if((double)h/n!=1)
{
System.out.print("错题如下："+'\n');
Error(a,b,c,error,k,d,count2);
}
else
{
System.out.print("你真棒！全对了！"+'\n');
}
}
static void Error(int a[ ],int b[ ],int c[ ],int d[ ],int n,int see[ ],int count2[ ])
{
int count=0,i,g;
Scanner scan=new Scanner(System.in);
for(i=0;i<n;i++)
{
switch(c[d[i]])
{
case 0:
{
System.out.print(d[i]+1+" "+a[d[i]]+"+"+b[d[i]]+"=");
g=scan.nextInt( );
if(g!=a[d[i]]+b[d[i]])
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
see[count]=d[i];
d[count]=see[count];
count++;
}
else
{
System.out.print("回答正确！"+'\n');
}
}break;
case 1:
{
System.out.print(d[i]+1+" "+a[d[i]]+"-"+b[d[i]]+"=");
g=scan.nextInt( );
if(g!=a[d[i]]-b[d[i]])
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
see[count]=d[i];
d[count]=see[count];
count++;
}
else
{
System.out.print("回答正确！"+'\n');
}
}break;
case 2:
{
System.out.print(d[i]+1+" "+a[d[i]]+"*"+b[d[i]]+"=");
g=scan.nextInt( );
if(g!=a[d[i]]*b[d[i]])
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
see[count]=d[i];
d[count]=see[count];
count++;
}
else
{
System.out.print("回答正确！"+'\n');
}
}break;
case 3:
{
System.out.print(d[i]+1+" "+a[d[i]]+"/"+b[d[i]]+"=");
g=scan.nextInt( );
if(g!=a[d[i]]/b[d[i]])
{
count2[i]++;
System.out.print("回答错误！"+" "+count2[i]+'\n');
see[count]=d[i];
d[count]=see[count];
count++;
}
else
{
System.out.print("回答正确！"+'\n');
}
}break;
}
}
if(count!=0)
{
System.out.print("还有错题哦，小朋友，再做做吧！"+'\n');
Error(a,b,c,d,count,see,count2);
}
}
public static void main(String[] args)
{
// TODO 自动生成的方法存根
int n,i,m,d;
int [ ]a=new int[100];
int [ ]b=new int[100];
int [ ]c=new int[100];
int [ ]er1=new int[100];
Scanner scan=new Scanner(System.in);
System.out.print("Please print the number:");
n=scan.nextInt( );
System.out.print("请输入操作数范围：");
m=scan.nextInt( );
d=scan.nextInt( );
RandomInt(a,b,c,n,m,d);
Repeat(a,b,c,n);
Exem(a,b,c,er1,n);
System.out.print('\n');
}
}