title: Count Of Pairs Satisfying The Given Condition
signature: function countOfPairsSatisfyingTheGivenCondition($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(
        31, 91, 
        31));
      
      printf("TEST-1...%s\n",driver(
        72, 85, 
        72));
      
      printf("TEST-2...%s\n",driver(
        23, 49, 
        23));
      
      printf("TEST-3...%s\n",driver(
        42, 32, 
        42));
      
      printf("TEST-4...%s\n",driver(
        13, 7, 
        0));
      
      printf("TEST-5...%s\n",driver(
        93, 5, 
        0));
      
      printf("TEST-6...%s\n",driver(
        33, 32, 
        33));
      
      printf("TEST-7...%s\n",driver(
        94, 76, 
        94));
      
      printf("TEST-8...%s\n",driver(
        60, 60, 
        60));
      
      printf("TEST-9...%s\n",driver(
        11, 26, 
        11));
      
  }
  
  main();
  ?>
source_py: def count_of_pairs_satisfying_the_given_condition(a, b):
      s = str(b)
      i = 0
      while (i < len(s)):
          if (s[i] != '9'):
              break
          i += 1
      result = 0
      if (i == len(s)):
          result = (a * len(s))
      else:
          result = (a * (len(s) - 1))
      return result
source_cpp: int count_of_pairs_satisfying_the_given_condition(int a, int b) {
    string s = to_string ( b );
    int i;
    for ( i = 0;
    i < s . length ( );
    i ++ ) {
      if ( s [ i ] != '9' ) break;
    }
    int result;
    if ( i == s . length ( ) ) result = a * s . length ( );
    else result = a * ( s . length ( ) - 1 );
    return result;
  }