title: Search Insert And Delete In An Unsorted Array
signature: def searchInsertAndDeleteInAnUnsortedArray(arr: List[Int], n: Int, key: Int) = {
test_code: import scala.collection.mutable.HashMap
  import scala.collection.immutable.HashSet
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  
  // TESTING CODE 
  // ============================================
  def validateSolution(actual: Int , expected: Int): Boolean = {
      actual.toString == expected.toString
  }
  
  def driver(arr: List[Int], n: Int, key: Int, expected: Int): String = {
      try {
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n, key),expected)) {
              "PASSED"
          } else{
              "FAILED"
          }
      }catch{
          case e: Exception => {e.getClass.getName}
      }
  
  }
  object QuestionEvaluator extends App {
  
      println(s"TEST-0...${driver(
        List(4, 8, 11, 23, 55, 57, 73, 74, 77, 79, 93), 8, 11, 
        2    
      )}")   
  
  
      println(s"TEST-1...${driver(
        List(-88, 12, -62, -66, -24, 18, 12, 22, 94, 30, -50, -42, -94, 18, 76, -6, -48, -68, 48, 36, -78, 52, -82, 76, 2, -44, -10, 88), 27, 12, 
        1    
      )}")   
  
  
      println(s"TEST-2...${driver(
        List(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1), 11, 0, 
        0    
      )}")   
  
  
      println(s"TEST-3...${driver(
        List(33, 9, 93, 70, 81, 70, 56, 66, 72, 81, 74, 32, 71, 72, 3, 81, 70, 22, 82, 2, 75, 18, 90, 29, 48), 24, 72, 
        8    
      )}")   
  
  
      println(s"TEST-4...${driver(
        List(-98, -70, -62, -60, -60, -54, -48, -48, -46, -44, -34, -26, -18, -6, 4, 18, 28, 32, 34, 40, 50, 54, 56, 62, 64, 64, 98), 18, 23, 
        -1    
      )}")   
  
  
      println(s"TEST-5...${driver(
        List(1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1), 17, 16, 
        -1    
      )}")   
  
  
      println(s"TEST-6...${driver(
        List(4, 6, 7, 10, 10, 12, 13, 18, 23, 29, 29, 34, 46, 54, 60, 61, 63, 67, 69, 70, 72, 76, 79, 79, 81, 82, 88, 90, 99), 15, 28, 
        -1    
      )}")   
  
  
      println(s"TEST-7...${driver(
        List(94, 34, -60, -74, 86, 80, 68, -48, 78, -62, -98, -44, -44, 92, -94, -86, -36, 12, 84, -90, 52, 42, -42, -66, 88, 76, 66), 21, 16, 
        -1    
      )}")   
  
  
      println(s"TEST-8...${driver(
        List(0, 0, 0, 1), 2, 3, 
        -1    
      )}")   
  
  
      println(s"TEST-9...${driver(
        List(76, 59, 38, 83, 38, 93, 27, 11, 17, 80, 26, 28, 35, 53, 88, 10, 9, 75), 12, 13, 
        -1    
      )}")   
  
  }
  
source_py: def search_insert_and_delete_in_an_unsorted_array(arr, n, key):
      for i in range(n):
          if (arr[i] == key):
              return i
      return (- 1)
source_cpp: int search_insert_and_delete_in_an_unsorted_array(vector<int> arr, int n, int key) {
    int i;
    for ( i = 0;
    i < n;
    i ++ ) if ( arr [ i ] == key ) return i;
    return - 1;
  }