由使用者输入一排有红白蓝三种颜色的花盆，用交换的方法将花盆重新排列后使相同颜色的花盆在一起-From user input there is a row of three colors of red, white and blue flower pots, using the method of exchange will be re-arranged after the flower so the flower with the same color

北邮数据结构课的花盆问题，主要有花盆的摆放位置等，希望对上这堂课有用-Pots problem BUPT data structures course, and I hope this lesson helpful

点距离计算代码，可以同点的坐标，计算点与点之间的距离-distance of pots

AUTO POTIONS THEY WORK AS THE SOULSHOTS