Untitled

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