摘要: #include<bits/stdc++.h> using namespace std; struct point{ int x, y, id; point(int a = 0, int b = 0){x = a, y = b; } friend point operator -(point a, 阅读全文
posted @ 2020-09-06 17:09 jvruodejxt 阅读(136) 评论(0) 推荐(0) 编辑

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