这道题我用了数组储存点的坐标，我发现当我数组开N=999大小时，提示答案错误； 当我数组开N=999 + 1大小时，就能过了。我怀疑是不是题面给定的n的范围写错了（应该是n<=1000）？ 开了N=999的代码： https://ac.nowcoder.com/acm/contest/view-submission?submissionId=50039825 开了N=999 + 1的代码：https://ac.nowcoder.com/acm/contest/view-submission?submissionId=50039828