设p1=(x1, y1), p2=(x2, y2), …, pn=(xn, yn)是平面上n个点构成的集合S，设计算法找出集合S中距离最近的点对。-Let p1 = (x1, y1), p2 = (x2, y2), ..., pn = (xn, yn) is the plane the set of n points S, S in the design algorithm to find the nearest collection point right.