title: Maximize Sum Arrii
signature: int maximizeSumArrii(vector<int> arr, int n) {
test_code: #include <algorithm>
  #include <assert.h>
  #include <cstdlib>
  #include <iostream>
  #include <map>
  #include <set>
  #include <string>
  #include <tuple> 
  #include <unordered_map>
  #include <vector>
  #include <math.h>
  #include <cmath>
  #include <bits/stdc++.h>
  #include <numeric>
  #include <functional>
  
  using namespace std;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(int actual, int expected){
      return actual == expected;
  }
  
  string driver(vector<int> arr, int n, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(arr, n), expected)){
              return "PASSED";
          }
          return "FAILED";
      }
      catch (const std::overflow_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::runtime_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::exception& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (...)
      {
          return "UNK_ERROR";
      }
  }
  
  int main() {
      string result = "";
  
      result = driver({2, 3, 4, 6, 7, 8, 9, 11, 19, 23, 24, 30, 31, 31, 32, 41, 43, 43, 46, 47, 50, 50, 51, 53, 57, 63, 63, 69, 73, 74, 79, 80, 81, 81, 85, 86, 88, 92, 93, 95, 98, 99}, 22, 8185); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver({-98, -98, -82, -80, -78, -76, -74, -68, -62, -58, -58, -52, -42, -42, -40, -34, -16, -10, -10, -6, 10, 12, 20, 32, 52, 62, 66, 68, 72, 76, 76, 80, 90, 90, 90, 90, 92, 98}, 24, -5496); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1}, 13, 0); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver({8, 13, 14, 42, 44, 44, 44, 45, 47, 52, 58, 79, 98, 99}, 11, 2566); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver({-90, -88, -68, -66, -46, -42, -40, -20, -16, 4, 8, 8, 8, 20, 28, 52, 84, 98}, 14, -764); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver({0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 13, 23); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver({5, 6, 7, 9, 11, 13, 16, 19, 22, 25, 26, 27, 28, 29, 32, 32, 32, 33, 36, 40, 43, 43, 47, 49, 51, 51, 52, 53, 59, 61, 63, 65, 66, 66, 67, 72, 73, 73, 75, 76, 80, 86, 87, 89, 89, 91, 96, 98, 99}, 42, 48954); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver({-98, -96, -90, -78, -66, -52, -48, -38, -34, -32, -30, -26, -24, -22, -20, -20, -14, -14, -12, -12, -8, -6, -4, 2, 6, 26, 28, 32, 32, 34, 40, 40, 48, 52, 54, 64, 64, 68, 70, 76, 88, 92, 96}, 39, 16394); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver({0, 0, 1, 1}, 3, 2); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver({18, 20, 21, 32, 34, 44, 47, 49, 49, 49, 62, 71, 75, 84, 84, 88, 88}, 8, 1139); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def maximize_sum_arrii(arr, n):
      arr.sort()
      sum = 0
      for i in range(n):
          sum += (arr[i] * i)
      return sum
source_cpp: int maximize_sum_arrii(vector<int> arr, int n) {
    sort(arr.begin(), arr.end());
    int sum = 0;
    for ( int i = 0;
    i < n;
    i ++ ) sum += ( arr [ i ] * i );
    return sum;
  }