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401 B
401 B
- Largest Perimeter Triangle Easy
Given an integer array nums, return the largest perimeter of a triangle with a non-zero area, formed from three of these lengths. If it is impossible to form any triangle of a non-zero area, return 0.
Example 1:
Input: nums = [2,1,2] Output: 5
Example 2:
Input: nums = [1,2,1] Output: 0
Constraints:
3 <= nums.length <= 104
1 <= nums[i] <= 106