蓝桥：马虎的计算

Posted 2021-03-08 qzhc

 

 

public class Main{
    public static void main(String[] args) {
        int num = 0;
        for (int a = 1; a < 10; a++) {
            for (int b = 1; b < 10; b++) {
                if (a!=b){
                    for (int c = 1; c < 10; c++) {
                        if (a!=c&&b!=c){
                            for (int d = 1; d < 10; d++) {
                                if (a!=d&&b!=d&&c!=d){
                                    for (int e = 1; e < 10; e++) {
                                        if (e!=a&&e!=b&&e!=c&&e!=d){
                                            if ((a*10+b)*(c*100+d*10+e)==(a*100+d*10+b)*(c*10+e)){
                                                System.out.println(a+""+b+"*"+c+""+d+""+e+"="+a+""+d+""+b+"*"+c+""+d);
                                                num++;                                           
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        System.out.println(num);
    }
}