Valid Triangle Number

Given an integer array nums, return the number of triplets chosen from the array that can make triangles if we take them as side lengths of a triangle.

  idkblogs.com      July 27, 2021

Shubham Verma

Shubham Verma


Valid Triangle Number

Valid Triangle Number:

Given an integer array nums, return the number of triplets chosen from the array that can make triangles if we take them as side lengths of a triangle.

Example 1:

Input: nums = [2,2,3,4]
Output: 3

Explanation: Valid combinations are:

2,3,4 (using the first 2)
2,3,4 (using the second 2)
2,2,3

Example 2:

Input: nums = [4,2,3,4]
Output: 4

Constraints:

1 <= nums.length <=1000
0 <= nums[i] <=1000

Solution:


Output:


Valid Triangle Number

Valid Triangle Number





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