3321. Type of Triangle
My accepted C++ solution to LeetCode problem 3321, Type of Triangle, running in 0ms.
- Difficulty: Easy
- C++
- Runtime 0ms
- Memory 22.9MB
- Updated
Read the problem on LeetCode View on GitHub
The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.
C++
Accepted on LeetCode — runtime 0ms, memory 22.9MB, accepted 2025-12-28.
class Solution {
public:
string triangleType(vector<int>& nums) {
sort(nums.begin(), nums.end());
if (nums[0] + nums[1] <= nums[2]) return "none";
if (nums[0] == nums[2]) return "equilateral";
if (nums[0] == nums[1] || nums[1] == nums[2]) return "isosceles";
return "scalene";
}
};