3024: Type-of-Triangle
Easy 2025-05-19

class Solution {
public:
    string triangleType(vector<int>& nums) {
        if (nums[0] == nums[1] && nums[1] == nums[2]) {
            return "equilateral";
        }
        for (int i = 0; i < 3; ++i) {
            if (nums[i] + nums[(i+1)%3] <= nums[(i+2)%3]) {
                return "none";
            }
        }
        if (nums[0] == nums[1] || nums[0] == nums[2] || nums[1] == nums[2]) {
            return "isosceles";
        } else {
            return "scalene";
        }
    }
};