CountNumberofTeams_1395.cpp

/*
~ Author    : leetcode.com/tridib_2003/
~ Problem   : 1395. Count Number of Teams
~ Link      : https://leetcode.com/contest/weekly-contest-182/problems/count-number-of-teams/
*/

class Solution {
public:
    int numTeams(vector<int>& rating) {
        int ans = 0;
        for(int i = 0; i < rating.size(); ++i)
            for(int j = i+1; j < rating.size(); ++j)
                for(int k = j+1; k < rating.size(); ++k)
                    if((rating[i] < rating[j] && rating[j] < rating[k]) || (rating[i] > rating[j] && rating[j] > rating[k]))
                        ++ans;
        return ans;
    }
};