利用填充算法，借助栈的结构，完成对图形的填色过程。先画出封闭图形，然后使用填充对其涂色。-Filling algorithm, with the structure of the stack, complete the coloring process graphics. First to draw closed graph, and then use fill its coloring.

输入一个图形的各个顶点 ，绘制图形，并且给这图形填色-Input to each of the vertices of a graph, draw graphics, and coloring for this graphic