title: Area Square Circumscribed Circle
signature: area_square_circumscribed_circle <- function(r) {
test_code: 
  
  
  # SOLUTION CODE
  # ============================================
  PLACEHOLDER_CODE_BODY
  
  # TESTING CODE 
  # ============================================
  validate_solution <- function(actual, expected) {
      toString(actual)==toString(expected)
  }
  
  driver <- function(r, expected){
      if (validate_solution(PLACEHOLDER_FN_NAME(r), expected)){
          "PASSED"
      } else{
          "FAILED"
      }
  }
  
  main <- function() {
      cat(sprintf("TEST-0...%s\n",driver(
          14L, 
          392L
      )))
  
      cat(sprintf("TEST-1...%s\n",driver(
          78L, 
          12168L
      )))
  
      cat(sprintf("TEST-2...%s\n",driver(
          45L, 
          4050L
      )))
  
      cat(sprintf("TEST-3...%s\n",driver(
          66L, 
          8712L
      )))
  
      cat(sprintf("TEST-4...%s\n",driver(
          18L, 
          648L
      )))
  
      cat(sprintf("TEST-5...%s\n",driver(
          32L, 
          2048L
      )))
  
      cat(sprintf("TEST-6...%s\n",driver(
          60L, 
          7200L
      )))
  
      cat(sprintf("TEST-7...%s\n",driver(
          16L, 
          512L
      )))
  
      cat(sprintf("TEST-8...%s\n",driver(
          99L, 
          19602L
      )))
  
      cat(sprintf("TEST-9...%s\n",driver(
          65L, 
          8450L
      )))
  
  }
  
  main()
source_py: def area_square_circumscribed_circle(r):
      return ((2 * r) * r)
source_cpp: int area_square_circumscribed_circle(int r) {
    return ( 2 * r * r );
  }