Counting Triangles - InterviewBit Solution
Problem: Counting Triangles
Problem Description:
You are given an array of N non-negative integers, A0, A1,…, AN-1. Considering each array element Ai as the edge length of some line segment, count the number of triangles that you can form using these array values.
Notes:
You can use any value only once while forming each triangle. The order of choosing the edge lengths doesn’t matter. Any triangle formed should have a positive area.
Return answer modulo 109 + 7.
For example,
A = [1, 1, 1, 2, 2] Return: 4
Solution Approach:
Solution:
Code in C++
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