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3024. Type of Triangle 👍

  • Time: $O(1)$
  • Space: $O(1)$
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class Solution {
 public:
  string triangleType(vector<int>& nums) {
    ranges::sort(nums);
    if (nums[0] + nums[1] <= nums[2])
      return "none";
    if (nums[0] == nums[1] && nums[1] == nums[2])
      return "equilateral";
    if (nums[0] == nums[1] || nums[1] == nums[2])
      return "isosceles";
    return "scalene";
  }
};

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class Solution {
  public String triangleType(int[] nums) {
    Arrays.sort(nums);
    if (nums[0] + nums[1] <= nums[2])
      return "none";
    if (nums[0] == nums[1] && nums[1] == nums[2])
      return "equilateral";
    if (nums[0] == nums[1] || nums[1] == nums[2])
      return "isosceles";
    return "scalene";
  }
}

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class Solution:
  def triangleType(self, nums: list[int]) -> str:
    nums.sort()
    if nums[0] + nums[1] <= nums[2]:
      return 'none'
    if nums[0] == nums[1] and nums[1] == nums[2]:
      return 'equilateral'
    if nums[0] == nums[1] or nums[1] == nums[2]:
      return 'isosceles'
    return 'scalene'