Daily Challenge #35 - Find the Outlier

main.dart

void main() {
  print(findOutlier([2, 4, 0, 100, 4, 11, 2602, 36]));
  print(findOutlier([160, 3, 1719, 19, 11, 13, -21]));
  print(findOutlier([4, 8, 15, 16, 24, 42]));
  print(findOutlier([16, 6, 40, 66, 68, 28]));
}

findOutlier(List nums) {
  var odds = new List();
  var evens = new List();
  nums.forEach((num) => num % 2 == 0 ? evens.add(num) : odds.add(num));
  
  if (odds.length == 0 || evens.length == 0) { return null; }
  
  return (odds.length < evens.length ? odds : evens)[0];
}