title: Minimum Cost For Acquiring All Coins With K Extra Coins Allowed With Every Coin
signature: class Solution {
  
      public int MinimumCostForAcquiringAllCoinsWithKExtraCoinsAllowedWithEveryCoin(List<int> coin, int n, int k) {
test_code: using System;
  using System.Numerics;
  using System.Diagnostics;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Security.Cryptography;
  using System.Web.UI;
  using System.Web.Script.Serialization;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  namespace EvaluatePrediction {
      class TestRunner {
          public bool ValidateSolution(int actual, int expected){
              return new JavaScriptSerializer().Serialize(actual) == new JavaScriptSerializer().Serialize(expected);
          }
  
          public string driver(List<int> coin, int n, int k, int expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                int pred_result = solution_cls.PLACEHOLDER_FN_NAME(coin, n, k); 
                if (ValidateSolution(
                      pred_result,
                      expected)){
                  return "PASSED";
                }
                return "FAILED";
              } 
              catch (Exception exception_obj)
              {
                return exception_obj.GetType().FullName;
              }
          }
          static void Main(string[] args) {
              TestRunner runner = new TestRunner();
              String result;
              result = runner.driver(
                  new List<int>{2, 4, 5, 9, 10, 10, 11, 14, 15, 19, 21, 22, 29, 36, 36, 38, 39, 39, 39, 41, 41, 42, 45, 45, 48, 55, 56, 57, 64, 66, 66, 66, 66, 69, 74, 76, 80, 81, 82, 82, 85, 87, 95, 95}, 33, 27, 
                  2
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-98, -88, -52, -10, -6, 16, 20, 36, 48, 66, 68, 94}, 6, 10, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{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}, 16, 16, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{1, 4, 5, 6, 10, 11, 15, 24, 29, 32, 35, 43, 48, 49, 62, 71, 78, 91}, 13, 17, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-98, -92, -88, -84, -82, -78, -74, -74, -68, -62, -62, -56, -56, -50, -46, -44, -26, -18, -14, -8, -8, -6, 8, 16, 20, 20, 22, 26, 36, 42, 44, 44, 52, 60, 66, 68, 68, 70, 76, 84}, 25, 34, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{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}, 32, 32, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{5, 12, 38, 39, 52, 54, 62, 81, 87, 93}, 6, 8, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-84, -76, -74, -70, -40, -32, -32, -26, -24, -18, -18, -12, -10, -8, 0, 4, 8, 16, 40, 40, 44, 60, 70, 86, 92, 94}, 25, 20, 
                  -84
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{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, 1, 1, 1, 1, 1, 1, 1}, 37, 29, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{23, 31, 44, 56, 58, 61, 62, 63, 72, 74, 86, 97, 97, 98}, 12, 13, 
                  0
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def minimum_cost_for_acquiring_all_coins_with_k_extra_coins_allowed_with_every_coin(coin, n, k):
      coin.sort()
      coins_needed = math.ceil(((1.0 * n) // (k + 1)))
      ans = 0
      for i in range(((coins_needed - 1) + 1)):
          ans += coin[i]
      return ans
source_cpp: int minimum_cost_for_acquiring_all_coins_with_k_extra_coins_allowed_with_every_coin(vector<int> coin, int n, int k) {
    sort(coin.begin(), coin.end());
    int coins_needed = ceil ( 1.0 * n / ( k + 1 ) );
    int ans = 0;
    for ( int i = 0;
    i <= coins_needed - 1;
    i ++ ) ans += coin [ i ];
    return ans;
  }