HDU 7050. Link with Limit
链接
https://acm.hdu.edu.cn/showproblem.php?pid=7050
题意
Link has a function
Let
He wants to know whether
https://acm.hdu.edu.cn/showproblem.php?pid=7050
Link has a function
Let
He wants to know whether
https://acm.hdu.edu.cn/showproblem.php?pid=7064
https://ac.nowcoder.com/acm/contest/11258/F
有两棵
https://ac.nowcoder.com/acm/contest/11255/E
但是目前只知道
给
https://ac.nowcoder.com/acm/contest/11254/C
https://ac.nowcoder.com/acm/contest/11254/B
任意两行与任意两列的交集为四个格子,若其中三个格子已经染成黑色,那么剩下那个可以免费染成黑色。
求把所有格子染成黑色的最小花费。