title: Search Insert And Delete In An Unsorted Array
signature: function searchInsertAndDeleteInAnUnsortedArray(arr: Array<number>, n: number, key: number): number {
test_code: 
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  function convertToString(value: any): string{
      return JSON.stringify(value, function (key, val) {
          if (val instanceof Set) {
              return Array.from(val);
          } return val;});
  }
  
  function validateSolution(actual: number, expected: number): boolean {
      return convertToString(actual) === convertToString(expected);
  }
  
  function driver(arr: Array<number>, n: number, key: number, expected:number): string {
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n, key),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver([4, 8, 11, 23, 55, 57, 73, 74, 77, 79, 93], 8, 11, 2);
    console.log(`TEST-0...${result}`);
  
    result = driver([-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);
    console.log(`TEST-1...${result}`);
  
    result = driver([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1], 11, 0, 0);
    console.log(`TEST-2...${result}`);
  
    result = driver([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);
    console.log(`TEST-3...${result}`);
  
    result = driver([-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);
    console.log(`TEST-4...${result}`);
  
    result = driver([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);
    console.log(`TEST-5...${result}`);
  
    result = driver([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);
    console.log(`TEST-6...${result}`);
  
    result = driver([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);
    console.log(`TEST-7...${result}`);
  
    result = driver([0, 0, 0, 1], 2, 3, -1);
    console.log(`TEST-8...${result}`);
  
    result = driver([76, 59, 38, 83, 38, 93, 27, 11, 17, 80, 26, 28, 35, 53, 88, 10, 9, 75], 12, 13, -1);
    console.log(`TEST-9...${result}`);
  
  };
  
  main();
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;
  }