Array - Container With Most Water

    /**
     * 此为暴力解法
     * Find two lines, which together with x-axis forms a container, such that the container contains the most water.
     * @param height 高度
     * @return 面积
     */
    public int _maxArea(int[] height) {
        int area = 0;
        for(int i = 0; i < height.length; i++) {
            for(int j = i+1; j < height.length; j++) {
                int h = height[j] < height[i] ? height[j] : height[i];
                area = area > (j-i)*(h) ? area : (j-i)*(h);
            }
        }
        return area;
    }

    public int maxArea(int[] height) {
        int area = 0;
        // 两个指针
        int i = 0;
        int j = height.length-1;
        while(i < j) {
            int h = Math.min(height[i], height[j]);
            area = Math.max(area, (j - i) * (h));
            if(height[i] <= height[j]) {
                i++;
            } else {
                j--;
            }
        }
        return area;
    }