334. Increasing Triplet Subsequence

class Solution {
  public boolean increasingTriplet(int[] nums) {
    int small = Integer.MAX_VALUE;
    int big = Integer.MAX_VALUE;
    for (int num : nums) {
      if (num <= small) {
        small = num;
      } else if (num <= big) {
        big = num;
      } else {
        return true;
      }
    }
    return false;
  }
}