该秒题了

五重循环妙解

#include <iostream>
using namespace std;
int main() {
    int count = 0;
    for (int a = 1; a <= 9; a++)
        for (int b = 1; b <= 9; b++) {
            if (b == a) continue;
            for (int c = 1; c <= 9; c++) {
                if (c == a || c == b) continue;
                for (int d = 1; d <= 9; d++) {
                    if (d == a || d == b || d == c) continue;
                    for (int e = 1; e <= 9; e++) {
                        if (e == a || e == b || e == c || e == d) continue;
                        
                        int ab = a * 10 + b;
                        int cde = c * 100 + d * 10 + e;
                        int adb = a * 100 + d * 10 + b;
                        int ce = c * 10 + e;
                        
                        if (ab * cde == adb * ce){
                            cout << ab << cde << "\n";
                            count++;                            
                        }
                    }
                }
            }
        }
    
    cout << count << endl;
    return 0;
}
//E E E E E E            A               S S S         Y         Y  
//E                    A   A           S                 Y     Y
//E E E E E          A A A A A          S S               Y  Y
//E                A          A               S             Y
//E E E E E E    A              A      S S S                Y