title: Minimize The Sum Of Digits Of A And B Such That A B N
signature: int minimizeTheSumOfDigitsOfAAndBSuchThatABN(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(int n, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(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, 2); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(39, 12); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(31, 4); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(45, 9); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(35, 8); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(94, 13); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(67, 13); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(50, 5); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(4, 4); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(63, 9); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def minimize_the_sum_of_digits_of_a_and_b_such_that_a_b_n(n):
      sum = 0
      while (n > 0):
          sum += (n % 10)
          n //= 10
      if (sum == 1):
          return 10
      return sum
source_cpp: int minimize_the_sum_of_digits_of_a_and_b_such_that_a_b_n(int n) {
    int sum = 0;
    while ( n > 0 ) {
      sum += ( n % 10 );
      n /= 10;
    }
    if ( sum == 1 ) return 10;
    return sum;
  }