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Practice Valid Triangle Number

Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.

Medium#611
LeetCode Problem

Valid Triangle Number

Problem Statement

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.

Source: Valid Triangle Number on LeetCode. Use the original task for its coding environment and submissions.

Examples

# Example 1

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

# Example 2

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

Constraints

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

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