随笔分类 -  算法-差分约束

[luogu2474 SCOI2008]天平(floyd差分约束)
摘要："传送门" Solution 由于重量只有三种情况，那么想到用差分约束。 由于范围比较小，想到可以floyed求差分约束，暴力求天平另一边 Code cpp include include include include include define F(i,a,b) for(register in 阅读全文
posted @ 2018-10-02 20:36 Menteur_hxy 阅读(194) 评论(0) 推荐(0)