title: Pair With Given Product Set 1 Find If Any Pair Exists
signature: pub fn pair_with_given_product_set_1_find_if_any_pair_exists(arr: Vec<i32>, n: i32, x: i32) -> bool {
test_code: use std::collections::HashMap;
  use std::collections::HashSet;
  use std::cmp::*;
  use std::collections::*;
  use std::fmt::*; 
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  pub fn validate_solution(actual: bool, expected: bool)->bool{
  return actual==expected
  }
  pub fn driver(arr: Vec<i32>, n: i32, x: i32, expected: bool)->String{
      if validate_solution(PLACEHOLDER_FN_NAME(arr, n, x), expected) {
        return "PASSED".to_string();
      };
      return "FAILED".to_string();
  
  }
  
  fn main() {
      println!("TEST-0...{}", driver(
        Vec::from([10, 20, 9, 40]), 4, 400, 
        true
      ));
      
      println!("TEST-1...{}", driver(
        Vec::from([1, -10, 20, 9, -40]), 5, 400, 
        true
      ));
      
      println!("TEST-2...{}", driver(
        Vec::from([0, 0, 0, 0, 0, 1, 1, 1, 1]), 7, 8, 
        false
      ));
      
      println!("TEST-3...{}", driver(
        Vec::from([4, 10, 20, 9, -40]), 5, -400, 
        true
      ));
      
      println!("TEST-4...{}", driver(
        Vec::from([-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
      ));
      
      println!("TEST-5...{}", driver(
        Vec::from([1]), 0, 0, 
        false
      ));
      
      println!("TEST-6...{}", driver(
        Vec::from([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
      ));
      
      println!("TEST-7...{}", driver(
        Vec::from([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
      ));
      
      println!("TEST-8...{}", driver(
        Vec::from([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
      ));
      
      println!("TEST-9...{}", driver(
        Vec::from([93, 40, 48, 99, 95, 59, 43, 58, 79, 70, 28]), 9, 5, 
        false
      ));
      
  }
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;
  }