title: Ugly Numbers
signature: int uglyNumbers(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(27, 64); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(64, 450); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(93, 1250); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(90, 1152); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(85, 972); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(86, 1000); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(72, 625); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(86, 1000); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(32, 90); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(1, 1); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def ugly_numbers(n):
      ugly = ([0] * n)
      ugly[0] = 1
      i2 = i3 = i5 = 0
      next_multiple_of_2 = 2
      next_multiple_of_3 = 3
      next_multiple_of_5 = 5
      for l in range(1, n):
          ugly[l] = min(next_multiple_of_2, next_multiple_of_3, next_multiple_of_5)
          if (ugly[l] == next_multiple_of_2):
              i2 += 1
              next_multiple_of_2 = (ugly[i2] * 2)
          if (ugly[l] == next_multiple_of_3):
              i3 += 1
              next_multiple_of_3 = (ugly[i3] * 3)
          if (ugly[l] == next_multiple_of_5):
              i5 += 1
              next_multiple_of_5 = (ugly[i5] * 5)
      return ugly[(- 1)]
source_cpp: unsigned ugly_numbers(unsigned n) {
    unsigned ugly [ n ];
    unsigned i2 = 0, i3 = 0, i5 = 0;
    unsigned next_multiple_of_2 = 2;
    unsigned next_multiple_of_3 = 3;
    unsigned next_multiple_of_5 = 5;
    unsigned next_ugly_no = 1;
    ugly [ 0 ] = 1;
    for ( int i = 1;
    i < n;
    i ++ ) {
      next_ugly_no = min ( next_multiple_of_2, min ( next_multiple_of_3, next_multiple_of_5 ) );
      ugly [ i ] = next_ugly_no;
      if ( next_ugly_no == next_multiple_of_2 ) {
        i2 = i2 + 1;
        next_multiple_of_2 = ugly [ i2 ] * 2;
      }
      if ( next_ugly_no == next_multiple_of_3 ) {
        i3 = i3 + 1;
        next_multiple_of_3 = ugly [ i3 ] * 3;
      }
      if ( next_ugly_no == next_multiple_of_5 ) {
        i5 = i5 + 1;
        next_multiple_of_5 = ugly [ i5 ] * 5;
      }
    }
    return next_ugly_no;
  }