title: Sum K Th Group Odd Positive Numbers
signature: sumKThGroupOddPositiveNumbers :: Integer -> Integer
  sumKThGroupOddPositiveNumbers k = 
test_code: import Text.Printf
  import Control.Exception (catch, SomeException)
  import Data.Typeable
  import qualified Data.List as List
  import qualified Data.Map as Map
  import qualified Data.Set as Set
  
  -- SOLUTION CODE
  -- ============================================
  
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  validateSolution :: Integer -> Integer -> Bool
  validateSolution actual expected = do
      actual == expected
  
  
  driver :: Integer -> Integer -> String
  driver k expected = do
      if (validateSolution (PLACEHOLDER_FN_NAME k) expected)
          then "PASSED"
      else "FAILED"
  
  main = do
      printf "TEST-0...%s\n" (driver (91) (753571) )
  
      printf "TEST-1...%s\n" (driver (52) (140608) )
  
      printf "TEST-2...%s\n" (driver (78) (474552) )
  
      printf "TEST-3...%s\n" (driver (51) (132651) )
  
      printf "TEST-4...%s\n" (driver (65) (274625) )
  
      printf "TEST-5...%s\n" (driver (39) (59319) )
  
      printf "TEST-6...%s\n" (driver (42) (74088) )
  
      printf "TEST-7...%s\n" (driver (12) (1728) )
  
      printf "TEST-8...%s\n" (driver (56) (175616) )
  
      printf "TEST-9...%s\n" (driver (98) (941192) )
  
source_py: def sum_k_th_group_odd_positive_numbers(k):
      cur = int(((k * (k - 1)) + 1))
      sum = 0
      while k:
          sum += cur
          cur += 2
          k = (k - 1)
      return sum
source_cpp: int sum_k_th_group_odd_positive_numbers(int k) {
    int cur = ( k * ( k - 1 ) ) + 1;
    int sum = 0;
    while ( k -- ) {
      sum += cur;
      cur += 2;
    }
    return sum;
  }