public class Solution_11 {
    public static void main(String[] args) {
        int[] height = {1, 8, 6, 2, 5, 4, 8, 3, 7};
        System.out.println(maxArea(height));
    }

    public static int maxArea(int[] height) {
        int max = 0;
        int x = 0;
        int y = height.length-1 ;
        while (x < y) {
            int h = Math.min(height[x] , height[y]);
            int l = Math.abs(x - y);
            max = Math.max(h * l, max);
            if (height[x] >= height[y]) {
                y--;
            } else {
                x++;
            }
        }
        return max;
    }
}