title: Sequences Given Length Every Element Equal Twice Previous
signature: int sequencesGivenLengthEveryElementEqualTwicePrevious(int m, 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 m, int n, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(m, 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(38, 34, 0); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(39, 29, 0); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(24, 99, 0); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(90, 23, 0); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(44, 2, 484); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(49, 70, 0); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(58, 84, 0); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(97, 34, 0); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(99, 72, 0); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(19, 67, 0); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def sequences_given_length_every_element_equal_twice_previous(m, n):
      if (m < n):
          return 0
      if (n == 0):
          return 1
      res = (sequences_given_length_every_element_equal_twice_previous((m - 1), n) + sequences_given_length_every_element_equal_twice_previous((m // 2), (n - 1)))
      return res
source_cpp: int sequences_given_length_every_element_equal_twice_previous(int m, int n) {
    if ( m < n ) return 0;
    if ( n == 0 ) return 1;
    return sequences_given_length_every_element_equal_twice_previous ( m - 1, n ) + sequences_given_length_every_element_equal_twice_previous ( m / 2, n - 1 );
  }