BZOJ2286:[SDOI2011]消耗战
摘要:
虚树模板题 建树的时候记录最小边就可以了 cpp include include include using namespace std; define ll long long const int maxn=2.5e5+5; const ll inf=2e15; ll w[maxn],f[maxn 阅读全文
posted @ 2018-08-18 14:47 HYSBZ_mzf 阅读(76) 评论(0) 推荐(0) 编辑