title: K Numbers Difference Maximum Minimum K Number Minimized
signature: function kNumbersDifferenceMaximumMinimumKNumberMinimized(arr: Array<number>, n: number, k: 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, k: number, expected:number): string {
      try{
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n, k),expected)){
              return "PASSED";
          }
          return "FAILED";
      } catch (error) {
        return error.name;
      }
      
  }
      
  function main(){
    let result = '';
    result = driver([1, 1, 2, 7, 8, 14, 16, 20, 20, 23, 24, 24, 29, 30, 32, 34, 35, 37, 38, 43, 44, 46, 50, 52, 55, 57, 61, 71, 79, 86, 86, 89, 91, 91, 95], 33, 17, 32);
    console.log(`TEST-0...${result}`);
  
    result = driver([-80, -74, -70, -68, -66, -66, -62, -60, -60, -52, -50, -46, -34, -34, -28, -18, -4, 0, 6, 8, 16, 34, 34, 34, 42, 42, 44, 46, 54, 54, 54, 58, 62, 68, 72, 76, 78, 80, 84, 88, 90, 90], 33, 33, 142);
    console.log(`TEST-1...${result}`);
  
    result = driver([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1], 8, 13, 2147483647);
    console.log(`TEST-2...${result}`);
  
    result = driver([32], 0, 0, 0);
    console.log(`TEST-3...${result}`);
  
    result = driver([-96, -78, -76, -72, -72, -70, -54, -46, -40, -34, -30, -26, -24, -22, -18, -16, -6, -4, -4, 2, 6, 14, 16, 18, 30, 30, 36, 54, 54, 58, 66, 72, 78, 80, 80, 82, 88, 98], 26, 25, 108);
    console.log(`TEST-4...${result}`);
  
    result = driver([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], 39, 41, 2147483647);
    console.log(`TEST-5...${result}`);
  
    result = driver([3, 13, 14, 18, 23, 32, 67, 72, 75, 76, 87, 95], 10, 8, 62);
    console.log(`TEST-6...${result}`);
  
    result = driver([8, 30], 1, 1, 0);
    console.log(`TEST-7...${result}`);
  
    result = driver([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], 27, 33, 2147483647);
    console.log(`TEST-8...${result}`);
  
    result = driver([2, 3, 3, 7, 9, 15, 16, 19, 21, 25, 27, 29, 30, 31, 33, 35, 36, 36, 37, 40, 41, 42, 52, 52, 53, 57, 57, 63, 67, 67, 69, 72, 73, 74, 78, 83, 86, 87, 93, 94, 95, 95], 36, 37, 2147483647);
    console.log(`TEST-9...${result}`);
  
  };
  
  main();
source_py: def k_numbers_difference_maximum_minimum_k_number_minimized(arr, n, k):
      result = (+ 2147483647)
      arr.sort()
      for i in range(((n - k) + 1)):
          result = int(min(result, (arr[((i + k) - 1)] - arr[i])))
      return result
source_cpp: int k_numbers_difference_maximum_minimum_k_number_minimized(vector<int> arr, int n, int k) {
    int result = INT_MAX;
    sort(arr.begin(), arr.end());
    for ( int i = 0;
    i <= n - k;
    i ++ ) result = min ( result, arr [ i + k - 1 ] - arr [ i ] );
    return result;
  }