title: Maximum Removal From Array When Removal Time Waiting Time
signature: def maximumRemovalFromArrayWhenRemovalTimeWaitingTime(arr: List[Int], n: 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, expected: Int): String = {
      try {
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n),expected)) {
              "PASSED"
          } else{
              "FAILED"
          }
      }catch{
          case e: Exception => {e.getClass.getName}
      }
  
  }
  object QuestionEvaluator extends App {
  
      println(s"TEST-0...${driver(
        List(7, 33, 34, 42, 42, 45, 73), 5, 
        3    
      )}")   
  
  
      println(s"TEST-1...${driver(
        List(-98, -90, -80, -66, -64, -62, -48, -30, -20, -10, 4, 6, 12, 14, 32, 42, 44, 44, 52, 64, 86, 92, 94), 16, 
        4    
      )}")   
  
  
      println(s"TEST-2...${driver(
        List(0, 0, 0, 0, 1), 2, 
        2    
      )}")   
  
  
      println(s"TEST-3...${driver(
        List(11, 44, 71, 82, 85, 89), 3, 
        3    
      )}")   
  
  
      println(s"TEST-4...${driver(
        List(-96, -92, -78, -72, -68, -58, -52, -50, -50, -48, -42, -32, -20, -18, -4, 0, 0, 2, 18, 18, 20, 24, 32, 34, 36, 38, 38, 60, 66, 68, 70, 72, 72, 74, 76, 96, 98), 21, 
        5    
      )}")   
  
  
      println(s"TEST-5...${driver(
        List(0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1), 16, 
        11    
      )}")   
  
  
      println(s"TEST-6...${driver(
        List(8, 9, 10, 11, 12, 15, 17, 19, 20, 21, 24, 30, 33, 35, 36, 39, 41, 41, 42, 54, 62, 63, 68, 70, 71, 72, 77, 85, 86, 86, 94, 95, 97, 97), 31, 
        5    
      )}")   
  
  
      println(s"TEST-7...${driver(
        List(-94, -90, -72, -70, -66, -60, -24, -16, 4, 4, 10, 22, 28, 36, 46, 60, 70, 72, 76, 92, 96), 20, 
        6    
      )}")   
  
  
      println(s"TEST-8...${driver(
        List(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1), 13, 
        13    
      )}")   
  
  
      println(s"TEST-9...${driver(
        List(7, 10, 12, 16, 20, 28, 31, 40, 42, 47, 53, 57, 59, 63, 63, 67, 69, 84, 90, 97), 10, 
        4    
      )}")   
  
  }
  
source_py: def maximum_removal_from_array_when_removal_time_waiting_time(arr, n):
      count = 0
      cummulative_sum = 0
      arr.sort()
      for i in range(n):
          if (arr[i] >= cummulative_sum):
              count += 1
              cummulative_sum += arr[i]
      return count
source_cpp: int maximum_removal_from_array_when_removal_time_waiting_time(vector<int> arr, int n) {
    int count = 0;
    int cummulative_sum = 0;
    sort(arr.begin(), arr.end());
    for ( int i = 0;
    i < n;
    i ++ ) {
      if ( arr [ i ] >= cummulative_sum ) {
        count ++;
        cummulative_sum += arr [ i ];
      }
    }
    return count;
  }