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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int digitsNo(int a) {
  5.     const int TEN = 10;
  6.     int no = 1;
  7.     a = abs(a);
  8.     while (a > 0) {
  9.         no *= a % TEN;
  10.         a /= TEN;
  11.     }
  12.     return no;
  13. }
  14.  
  15. int prodNo(int a, int b) {
  16.     return digitsNo(a) * digitsNo(b);
  17. }
  18.  
  19. int ProdMaxDigits(int a, int b, int c) {
  20.     int prod1 = prodNo(a, b);
  21.     int prod2 = prodNo(a, c);
  22.     int prod3 = prodNo(b, c);
  23.     int maxProd = prod1;
  24.     if (prod2 > maxProd) {
  25.         maxProd = prod2;
  26.     }
  27.     if (prod3 > maxProd) {
  28.         maxProd = prod3;
  29.     }
  30.  
  31.     return maxProd;
  32. }
  33.  
  34. int main() {
  35.     int a, b, c;
  36.     cin >> a >> b >> c;
  37.     int prodMax = ProdMaxDigits(a, b, c);
  38.     cout << prodMax;
  39.     return 0;
  40. }
Success #stdin #stdout 0s 5288KB
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https://ideone.com/W30foK
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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