title: Number Digits Product Two Numbers
signature: function numberDigitsProductTwoNumbers($a, $b) {
test_code: <?php
  
  
  // SOLUTION CODE 
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function validateSolution($actual, $expected){
      return serialize($actual) == serialize($expected);
  }
  
  function driver($a, $b, $expected){
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME($a, $b), $expected)){
          return "PASSED";
        }
        return "FAILED";
      }
      catch (Exception $exception_obj) {
        return get_class($exception_obj);
      }
  }
  
  function main(){
      printf("TEST-0...%s\n",driver(
        86, 39, 
        4));
      
      printf("TEST-1...%s\n",driver(
        81, 87, 
        4));
      
      printf("TEST-2...%s\n",driver(
        48, 84, 
        4));
      
      printf("TEST-3...%s\n",driver(
        64, 80, 
        4));
      
      printf("TEST-4...%s\n",driver(
        56, 20, 
        4));
      
      printf("TEST-5...%s\n",driver(
        5, 70, 
        3));
      
      printf("TEST-6...%s\n",driver(
        25, 13, 
        3));
      
      printf("TEST-7...%s\n",driver(
        94, 83, 
        4));
      
      printf("TEST-8...%s\n",driver(
        5, 55, 
        3));
      
      printf("TEST-9...%s\n",driver(
        46, 46, 
        4));
      
  }
  
  main();
  ?>
source_py: def number_digits_product_two_numbers(a, b):
      count = 0
      p = abs((a * b))
      if (p == 0):
          return 1
      while (p > 0):
          count = (count + 1)
          p = (p // 10)
      return count
source_cpp: int number_digits_product_two_numbers(int a, int b) {
    int count = 0;
    int p = abs ( a * b );
    if ( p == 0 ) return 1;
    while ( p > 0 ) {
      count ++;
      p = p / 10;
    }
    return count;
  }