static int flatlandSpaceStations(int n, int[] c) {
        // Sort space station location in ascending order
        Arrays.sort(c);
        
        // Set max distance intially as the distance between city 0 to the first space station
        int maxDistance = c[0];
        
        // Calculate the max distance of the city between two space station
        for(int i = 1; i <c.length; i++){
            maxDistance = Math.max(maxDistance, (c[i] - c[i-1])/2);
        }
        
        // Calculate the distance between the last n city to the last space station
        maxDistance = Math.max(maxDistance, (n-1) - c[c.length-1]);
        
        return maxDistance;
    }