title: Check If X Can Give Change To Every Person In The Queue
signature: class Solution {
  
      public Integer checkIfXCanGiveChangeToEveryPersonInTheQueue(ArrayList<Integer> notes, Integer n) {
source_py: def check_if_x_can_give_change_to_every_person_in_the_queue(notes, n):
      fiveCount = 0
      tenCount = 0
      for i in range(n):
          if (notes[i] == 5):
              fiveCount += 1
          elif (notes[i] == 10):
              if (fiveCount > 0):
                  fiveCount -= 1
                  tenCount += 1
              else:
                  return 0
          elif ((fiveCount > 0) and (tenCount > 0)):
              fiveCount -= 1
              tenCount -= 1
          elif (fiveCount >= 3):
              fiveCount -= 3
          else:
              return 0
      return 1
source_cpp: int check_if_x_can_give_change_to_every_person_in_the_queue(vector<int> notes, int n) {
    int fiveCount = 0;
    int tenCount = 0;
    for ( int i = 0;
    i < n;
    i ++ ) {
      if ( notes [ i ] == 5 ) fiveCount ++;
      else if ( notes [ i ] == 10 ) {
        if ( fiveCount > 0 ) {
          fiveCount --;
          tenCount ++;
        }
        else return 0;
      }
      else {
        if ( fiveCount > 0 && tenCount > 0 ) {
          fiveCount --;
          tenCount --;
        }
        else if ( fiveCount >= 3 ) {
          fiveCount -= 3;
        }
        else return 0;
      }
    }
    return 1;
  }
question_info.extension: java
question_info.entry_fn_name: checkIfXCanGiveChangeToEveryPersonInTheQueue
question_info.entry_cls_name: Solution
question_info.test_list: [{"idx": 0, "outputs": 1, "inputs": {"notes": [5, 5, 5, 10, 20], "n": 4}}, {"idx": 1, "outputs": 0, "inputs": {"notes": [5, 5, 5, 20, 10], "n": 5}}, {"idx": 2, "outputs": 1, "inputs": {"notes": [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10], "n": 27}}, {"idx": 3, "outputs": 0, "inputs": {"notes": [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 18], "n": 12}}, {"idx": 4, "outputs": 1, "inputs": {"notes": [5, 5, 20], "n": 2}}, {"idx": 5, "outputs": 0, "inputs": {"notes": [10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5], "n": 17}}, {"idx": 6, "outputs": 0, "inputs": {"notes": [5, 10, 20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5], "n": 7}}, {"idx": 7, "outputs": 0, "inputs": {"notes": [-82, -10, -78, -84, 68, 62, 10, 20, -86, -98, 92, 70, 40, -12, -20, -36, 8, -70, 6, 8, 44, -24, 8, -18, 76, -54, -14, -94, -68, -62, -24, -36, -74, 92, 92, -80, 48, 56, 94], "n": 31}}, {"idx": 8, "outputs": 0, "inputs": {"notes": [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5], "n": 25}}, {"idx": 9, "outputs": 0, "inputs": {"notes": [46, 46, 93, 57, 82, 34, 83, 80, 77, 36, 80, 85, 69, 28, 9, 56, 49, 27, 83, 25, 1, 80, 99, 14, 69, 82, 79, 71, 74, 34], "n": 20}}]
question_info.test_code: import static java.util.Map.entry;  
  import java.util.*;
  import java.lang.*;
  // TESTING CODE 
  // ============================================
  class QuestionEvaluator {
      public static String validateSolution(ArrayList<Integer> notes, Integer n, Integer expected){
          try{
              Driver driver = new Driver();
              if (driver.run(notes, n,expected)){
                  return "PASSED";
              }
              return "FAILED";
              
          } catch (Exception exception_obj){
              return exception_obj.getClass().getSimpleName();
          }
  
      }
      public static void main(String[] args) {
          String result;
          result = validateSolution(new ArrayList<>(Arrays.asList(5, 5, 5, 10, 20)), 4, 1);
          System.out.println(String.format("%s%s","TEST-0...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(5, 5, 5, 20, 10)), 5, 0);
          System.out.println(String.format("%s%s","TEST-1...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10)), 27, 1);
          System.out.println(String.format("%s%s","TEST-2...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 18)), 12, 0);
          System.out.println(String.format("%s%s","TEST-3...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(5, 5, 20)), 2, 1);
          System.out.println(String.format("%s%s","TEST-4...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5)), 17, 0);
          System.out.println(String.format("%s%s","TEST-5...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(5, 10, 20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5)), 7, 0);
          System.out.println(String.format("%s%s","TEST-6...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(-82, -10, -78, -84, 68, 62, 10, 20, -86, -98, 92, 70, 40, -12, -20, -36, 8, -70, 6, 8, 44, -24, 8, -18, 76, -54, -14, -94, -68, -62, -24, -36, -74, 92, 92, -80, 48, 56, 94)), 31, 0);
          System.out.println(String.format("%s%s","TEST-7...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5)), 25, 0);
          System.out.println(String.format("%s%s","TEST-8...",result));    
      
          result = validateSolution(new ArrayList<>(Arrays.asList(46, 46, 93, 57, 82, 34, 83, 80, 77, 36, 80, 85, 69, 28, 9, 56, 49, 27, 83, 25, 1, 80, 99, 14, 69, 82, 79, 71, 74, 34)), 20, 0);
          System.out.println(String.format("%s%s","TEST-9...",result));    
      
      }
  }
  
  class Driver{
      public boolean run(ArrayList<Integer> notes, Integer n, Integer expected){
  
          PLACEHOLDER_CLS_NAME sol = new PLACEHOLDER_CLS_NAME();
          return validateSolution(sol.PLACEHOLDER_FN_NAME(notes, n),expected);
      }
      
      public boolean validateSolution(Integer actual, Integer expected){
          return actual.equals(expected);
      }
  }
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
question_info.test_case_ids: 0 1 2 3 4 5 6 7 8 9
question_info.commands: java __FILENAME__