摘要:
题目:bzoj 2005 https://www.lydsy.com/JudgeOnline/problem.php?id=2005 洛谷 P1447 https://www.luogu.org/problemnew/show/P1447 首先,题意就是求 ∑(1 <= i <= n) ∑(1 <= 阅读全文
摘要:
题目:https://www.luogu.org/problemnew/show/P3112 状压DP...转移不错。 代码如下: 阅读全文