public class NumberSecret
{
//ABCDE*?=EDBCA
public static void main(String[] args)
{
for(int n=10000;n<100000;n++)
for(int m=2;m<10;m++){
processNumber(n,m);
}
}
public static void processNumber(int n,int m){
int p=n;
int[] nums=new int[5];
for(int i=0;i<nums.length;i++){
nums[i]=n%10;
n/=10;
}
for(int i=0;i<nums.length-1;i++){
for(int j=i+1;j<nums.length;j++){
if(nums[i]==nums[j])return;
}
}
int result=p*m;
if(result>=100000)return;
for(int i=4;i>-1;i--){
if(result%10!=nums[i])return;
result/=10;
}
System.out.println("The Result is :"+p+"*"+m+"="+p*m);
}
}
:The Result is :21978*4=87912