title: Pair With Given Product Set 1 Find If Any Pair Exists
signature: pairWithGivenProductSet1FindIfAnyPairExists(arr, n, x) {
test_code: import 'dart:convert';
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(bool actual, bool expected){
      return actual.toString() == expected.toString();
  }
  
  String driver(arr, n, x, bool expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n, x), expected)){
              return "PASSED";
          }
          return "FAILED";
      }catch(exception_object){
          return exception_object.runtimeType.toString();
      }
  }
  
  int main() {
  
      print("TEST-0...${driver(
          [10, 20, 9, 40], 4, 400, 
          true)
      }");
  
      print("TEST-1...${driver(
          [1, -10, 20, 9, -40], 5, 400, 
          true)
      }");
  
      print("TEST-2...${driver(
          [0, 0, 0, 0, 0, 1, 1, 1, 1], 7, 8, 
          false)
      }");
  
      print("TEST-3...${driver(
          [4, 10, 20, 9, -40], 5, -400, 
          true)
      }");
  
      print("TEST-4...${driver(
          [-90, -86, -76, -72, -70, -62, -56, -50, -18, -12, -10, 4, 16, 26, 42, 48, 52, 54, 54, 70, 84, 86, 88, 98], 23, 23, 
          false)
      }");
  
      print("TEST-5...${driver(
          [1], 0, 0, 
          false)
      }");
  
      print("TEST-6...${driver(
          [4, 7, 14, 14, 16, 18, 19, 20, 22, 24, 29, 38, 38, 38, 40, 40, 46, 46, 47, 51, 51, 52, 55, 56, 56, 62, 62, 62, 78, 79, 81, 84, 86, 88, 89, 89, 89], 23, 32, 
          false)
      }");
  
      print("TEST-7...${driver(
          [72, 80, -82, 24, -98, 90, -32, -56, -22, 8, -12, 8, -78, 60, -62, 50, 12, -60, 10, -54, 74, 98, 26, 56, 24], 21, 19, 
          false)
      }");
  
      print("TEST-8...${driver(
          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], 22, 18, 
          false)
      }");
  
      print("TEST-9...${driver(
          [93, 40, 48, 99, 95, 59, 43, 58, 79, 70, 28], 9, 5, 
          false)
      }");
  
      return 0;
  }
source_py: def pair_with_given_product_set_1_find_if_any_pair_exists(arr, n, x):
      for i in arr:
          for j in arr:
              if ((i * j) == x):
                  return True
      return False
source_cpp: bool pair_with_given_product_set_1_find_if_any_pair_exists(vector<int> arr, int n, int x) {
    for ( int i = 0;
    i < n - 1;
    i ++ ) for ( int j = i + 1;
    i < n;
    i ++ ) if ( arr [ i ] * arr [ j ] == x ) return true;
    return false;
  }