LeetCode_双指针_中等_611.有效三角形的个数

星许辰发布时间：2022-09-02 09:44:09 ，浏览量：0

1.题目
2.思路
3.代码实现（Java）

1.题目

给定一个包含非负整数的数组 nums ，返回其中可以组成三角形三条边的三元组个数。

示例 1：输入: nums = [2,2,3,4] 输出: 3 解释：有效的组合是 2,3,4 (使用第一个 2) 2,3,4 (使用第二个 2) 2,2,3

示例 2：

输入: nums = [4,2,3,4] 输出: 4

提示： 1

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