public static void check(int[][] buildingss) {
        int lastHeight = 0;

        for (int x = 0; x < buildingss.length; x++) {
            for (int y = 0; y < buildingss[x].length; y++) {
                if (lastHeight == 0)
                    lastHeight = buildingss[x][y];
                int val = checky(buildingss, x, y, lastHeight);

                if (val != lastHeight && val != 0) {
                    lastHeight = val;
                }
            }
        }

        ArrayList end = new ArrayList(mappig.values());
        Collections.sort(end);
        for (int i = 0; i < end.size(); i++) {
            System.out.println(i + " " + end.get(i));
        }
    }


    public static int checky(int[][] buildingss, int x, int y, int lastHeight) {
        int val = buildingss[x][y];

        if (val == 0)
            return 0;

        if (val != lastHeight) {
            count++;
            mappig.putIfAbsent(count, 1);
        } else
            mappig.putIfAbsent(count, 0);
        if (val == lastHeight)
            mappig.put(count, mappig.get(count) + 1);

        buildingss[x][y] = 0;
        if (x > 0)
            if (buildingss[x - 1][y] == val)
                checky(buildingss, x - 1, y, val);
        if (y > 0)
            if (buildingss[x][y - 1] == val)
                checky(buildingss, x, y - 1, val);
        if (x < buildingss.length - 1)
            if (buildingss[x + 1][y] == val)
                checky(buildingss, x + 1, y, val);
        if (y < buildingss.length - 1)
            if (buildingss[x][y + 1] == val)
                checky(buildingss, x, y + 1, val);
        return val;
    }