title: Search An Element In An Array Where Difference Between Adjacent Elements Is 1
signature: def search_an_element_in_an_array_where_difference_between_adjacent_elements_is_1(arr, n, x):
source_py: def search_an_element_in_an_array_where_difference_between_adjacent_elements_is_1(arr, n, x):
      i = 0
      while (i < n):
          if (arr[i] == x):
              return i
          i = (i + abs((arr[i] - x)))
      print('number is not present!')
      return (- 1)
source_cpp: int search_an_element_in_an_array_where_difference_between_adjacent_elements_is_1(vector<int> arr, int n, int x) {
    int i = 0;
    while ( i < n ) {
      if ( arr [ i ] == x ) return i;
      i = i + abs ( arr [ i ] - x );
    }
    return - 1;
  }
question_info.test_code: import array
  import bisect
  import collections
  import datetime
  import functools
  import heapq
  import itertools
  import math
  import queue
  import re
  import string
  import sys
  from typing import Any, Dict, List, Optional, Set
  
  
  # SOLUTION CODE
  # ============================================
  PLACEHOLDER_CODE_BODY
  
  # TESTING CODE 
  # ============================================
  def validate_solution(actual, expected):
      return actual == expected
  
  def driver(arr, n, x, expected):
      try:
          if validate_solution(PLACEHOLDER_FN_NAME(
              arr, n, x),
              expected
          ):
              return "PASSED"
          return "FAILED"
      except Exception as exception_obj:
          return type(exception_obj).__name__
      
  if __name__ == "__main__":
      result = driver([8, 7, 6, 7, 6, 5, 4, 3, 2, 3, 4, 3], 12, 3, 7)
      print(f"TEST-0...{result}")
  
      result = driver([6, 90], 1, 1, -1)
      print(f"TEST-1...{result}")
  
      result = driver([1, 2, 3, 4, 5, 4], 6, 5, 4)
      print(f"TEST-2...{result}")
  
      result = driver([97, 35, 60, 96, 3, 67, 72, 95, 55, 9, 69, 28, 15, 91, 31, 59], 15, 9, -1)
      print(f"TEST-3...{result}")
  
      result = driver([-84, -78, -74, -70, -68, -60, -56, -54, -48, -46, -28, -16, -6, 0, 0, 8, 8, 8, 12, 16, 26, 30, 32, 34, 36, 40, 46, 48, 70, 70, 72, 76, 78, 78, 80, 84, 84, 86], 22, 31, -1)
      print(f"TEST-4...{result}")
  
      result = driver([1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1], 5, 7, -1)
      print(f"TEST-5...{result}")
  
      result = driver([55, 64, 76, 79, 93, 96], 4, 4, -1)
      print(f"TEST-6...{result}")
  
      result = driver([66, -90, 98, -50, 0, 46, 42, 64, -96, -80, -96, 20, -10, -84], 8, 13, -1)
      print(f"TEST-7...{result}")
  
      result = driver([0, 0, 0, 0, 0, 0, 1], 6, 5, -1)
      print(f"TEST-8...{result}")
  
      result = driver([94, 4, 34, 87, 32, 3, 92, 68, 57, 76, 24, 33, 3, 4, 30, 70, 49, 30, 72, 82, 16, 53, 6, 24, 92, 96, 89, 28, 21, 8, 36, 9, 40, 85, 51, 1, 63, 68, 74, 26, 40, 3, 9, 32, 67, 4, 6, 73], 25, 25, -1)
      print(f"TEST-9...{result}")
  
      sys.exit(0)
question_info.test_case_ids: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
question_info.entry_fn_name: search_an_element_in_an_array_where_difference_between_adjacent_elements_is_1
question_info.test_list: [{"idx": 0, "outputs": 7, "inputs": {"arr": [8, 7, 6, 7, 6, 5, 4, 3, 2, 3, 4, 3], "n": 12, "x": 3}}, {"idx": 1, "outputs": -1, "inputs": {"arr": [6, 90], "n": 1, "x": 1}}, {"idx": 2, "outputs": 4, "inputs": {"arr": [1, 2, 3, 4, 5, 4], "n": 6, "x": 5}}, {"idx": 3, "outputs": -1, "inputs": {"arr": [97, 35, 60, 96, 3, 67, 72, 95, 55, 9, 69, 28, 15, 91, 31, 59], "n": 15, "x": 9}}, {"idx": 4, "outputs": -1, "inputs": {"arr": [-84, -78, -74, -70, -68, -60, -56, -54, -48, -46, -28, -16, -6, 0, 0, 8, 8, 8, 12, 16, 26, 30, 32, 34, 36, 40, 46, 48, 70, 70, 72, 76, 78, 78, 80, 84, 84, 86], "n": 22, "x": 31}}, {"idx": 5, "outputs": -1, "inputs": {"arr": [1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1], "n": 5, "x": 7}}, {"idx": 6, "outputs": -1, "inputs": {"arr": [55, 64, 76, 79, 93, 96], "n": 4, "x": 4}}, {"idx": 7, "outputs": -1, "inputs": {"arr": [66, -90, 98, -50, 0, 46, 42, 64, -96, -80, -96, 20, -10, -84], "n": 8, "x": 13}}, {"idx": 8, "outputs": -1, "inputs": {"arr": [0, 0, 0, 0, 0, 0, 1], "n": 6, "x": 5}}, {"idx": 9, "outputs": -1, "inputs": {"arr": [94, 4, 34, 87, 32, 3, 92, 68, 57, 76, 24, 33, 3, 4, 30, 70, 49, 30, 72, 82, 16, 53, 6, 24, 92, 96, 89, 28, 21, 8, 36, 9, 40, 85, 51, 1, 63, 68, 74, 26, 40, 3, 9, 32, 67, 4, 6, 73], "n": 25, "x": 25}}]
question_info.entry_cls_name: Solution