g0601_0700.s0611_valid_triangle_number

Class Solution

java.lang.Object

g0601_0700.s0611_valid_triangle_number.Solution

public class Solution
extends Object

611 - Valid Triangle Number.

Medium

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

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int	triangleNumber(int[] nums)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

triangleNumber

public int triangleNumber(int[] nums)