    unordered_map<string, int> slopeMap;
    int n = points.size();
    int result = 0;
    
    for (int i = 0; i < n; i++) {
        int temp = 0;
        int duplicates = 0;
        
        slopeMap.clear();
    
        for (int j = i + 1; j < n; j++) {
            int dx = points[j][0] - points[i][0];