title: How To Check If A Given Array Represents A Binary Heap 1
signature: fun howToCheckIfAGivenArrayRepresentsABinaryHeap1(arr: ArrayList<Int>, n: Int): Boolean {
test_code: package main
  
  import kotlin.text.*
  import kotlin.math.*
  
  
  // SOLUTION CODE
  // ===================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE
  // ===================================
  fun validateSolution(actual:Boolean, expected:Boolean):Boolean{
    return actual.equals(expected)
  }
  fun driver(arr: ArrayList<Int>, n: Int, expected:Boolean):String {
      try{
        if (validateSolution(PLACEHOLDER_FN_NAME(arr, n), expected)) {
                return "PASSED"
        }
        return "FAILED"
      } catch (e: Exception){
        return e::class.simpleName as String
      }
  
  }
  
  fun main() {
      var result: String = ""
      result = driver(arrayListOf(2, 2, 2, 7, 10, 14, 24, 38, 42, 50, 59, 60, 72, 73, 79, 83, 89), 9, false)
      println("TEST-0...${result}")
      
      result = driver(arrayListOf(-48, 98, 96, -56, -2, 58, 52, -50, 58, 50, 62, 86, -26, -98, 34, 20, -28, 56, -36), 9, false)
      println("TEST-1...${result}")
      
      result = driver(arrayListOf(0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1), 20, false)
      println("TEST-2...${result}")
      
      result = driver(arrayListOf(91, 50, 37), 2, true)
      println("TEST-3...${result}")
      
      result = driver(arrayListOf(-80, -26, 0, 0, 6, 14, 22, 76, 82, 88, 98), 10, false)
      println("TEST-4...${result}")
      
      result = driver(arrayListOf(1, 0), 1, true)
      println("TEST-5...${result}")
      
      result = driver(arrayListOf(9, 24, 24, 33, 48, 50, 55, 61, 69, 79, 83), 8, false)
      println("TEST-6...${result}")
      
      result = driver(arrayListOf(30, 32, -82, -48, 88, -24, 74, 2, 90, 98, 68, 82, 32, -60, 2, -94, 18, 14, 46, 50, -60, -74, -76, 66, -76, -34, -20, 82, -44, -62, 34, 48, -56, 2, 64, -78, -64, 98, -10, -28, 78, -42), 27, false)
      println("TEST-7...${result}")
      
      result = driver(arrayListOf(0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1), 6, false)
      println("TEST-8...${result}")
      
      result = driver(arrayListOf(38, 74, 99, 75, 44, 75, 24, 70, 78, 74, 60, 59, 34, 27, 7, 23, 19, 95, 4, 35, 38, 22, 46, 1, 44, 20, 52, 1, 96, 57, 5, 76, 49, 1, 37, 35), 31, false)
      println("TEST-9...${result}")
      
          
  }
  
  main()
source_py: def how_to_check_if_a_given_array_represents_a_binary_heap_1(arr, n):
      for i in range((int(((n - 2) / 2)) + 1)):
          if (arr[((2 * i) + 1)] > arr[i]):
              return False
          if ((((2 * i) + 2) < n) and (arr[((2 * i) + 2)] > arr[i])):
              return False
      return True
source_cpp: bool how_to_check_if_a_given_array_represents_a_binary_heap_1(vector<int> arr, int n) {
    for ( int i = 0;
    i <= ( n - 2 ) / 2;
    i ++ ) {
      if ( arr [ 2 * i + 1 ] > arr [ i ] ) return false;
      if ( 2 * i + 2 < n && arr [ 2 * i + 2 ] > arr [ i ] ) return false;
    }
    return true;
  }