title: Analysis Of Algorithms Set 2 Asymptotic Analysis
signature: pub fn analysis_of_algorithms_set_2_asymptotic_analysis(arr: Vec<i32>, n: i32, x: i32) -> i32 {
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: i32, expected: i32)->bool{
  return actual==expected
  }
  pub fn driver(arr: Vec<i32>, n: i32, x: i32, expected: i32)->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([4, 5, 5, 11, 13, 14, 15, 19, 22, 22, 23, 26, 29, 29, 36, 44, 48, 49, 65, 65, 67, 68, 70, 76, 79, 79, 81, 85, 88, 91, 91, 92, 92, 97]), 17, 5, 
        1
      ));
      
      println!("TEST-1...{}", driver(
        Vec::from([-24, -78, -32, -48, 0, 4, -42]), 4, 0, 
        -1
      ));
      
      println!("TEST-2...{}", driver(
        Vec::from([0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1]), 6, 0, 
        0
      ));
      
      println!("TEST-3...{}", driver(
        Vec::from([38, 14, 75, 16, 91, 11, 98, 43, 67, 9, 21, 10, 82, 72, 32, 81, 48, 60, 2, 91, 10, 90, 12, 83]), 17, 75, 
        2
      ));
      
      println!("TEST-4...{}", driver(
        Vec::from([-92, -92, -82, -80, -76, -66, -64, -64, -56, -48, -38, -38, -34, -32, -32, -10, -8, -6, -2, 0, 8, 10, 18, 20, 22, 22, 30, 34, 38, 38, 38, 44, 50, 52, 56, 64, 64, 66, 70, 76, 88]), 25, 25, 
        -1
      ));
      
      println!("TEST-5...{}", driver(
        Vec::from([0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1]), 11, -1, 
        -1
      ));
      
      println!("TEST-6...{}", driver(
        Vec::from([1, 4, 4, 4, 4, 8, 12, 13, 14, 14, 22, 25, 25, 27, 29, 33, 36, 38, 40, 40, 40, 41, 47, 47, 47, 48, 48, 50, 51, 52, 52, 52, 55, 56, 59, 59, 62, 64, 66, 77, 82, 84, 90, 91, 91, 93]), 38, 4, 
        1
      ));
      
      println!("TEST-7...{}", driver(
        Vec::from([-90, -60, -58, -72, 92, 54, -32, -70, -94, 18, 64, -90, -90, -56, 82, -14, -74, -96, -90, -8, -48, 76, -28, 10, -52, -8, -46, -32, 82, 46, 58, 92, 4, 48, -96, -66, 60, 60, 62, -68]), 22, 22, 
        -1
      ));
      
      println!("TEST-8...{}", driver(
        Vec::from([0, 0, 0, 0, 0, 0, 1, 1, 1, 1]), 8, 8, 
        -1
      ));
      
      println!("TEST-9...{}", driver(
        Vec::from([42, 17, 77, 96, 72, 36, 74, 97, 7, 94, 80, 7, 27, 58, 49, 81, 51, 9]), 16, 11, 
        -1
      ));
      
  }
source_py: def analysis_of_algorithms_set_2_asymptotic_analysis(arr, n, x):
      i = 0
      for i in range(i, n):
          if (arr[i] == x):
              return i
      return (- 1)
source_cpp: int analysis_of_algorithms_set_2_asymptotic_analysis(vector<int> arr, int n, int x) {
    int i;
    for ( i = 0;
    i < n;
    i ++ ) {
      if ( arr [ i ] == x ) return i;
    }
    return - 1;
  }