摘要:
1 #include"bits/stdc++.h" 2 using namespace std; 3 4 5 int n,m; 6 int root=0; int tot; 7 const int nn = 200000; 8 int cnt[nn]; int v[nn]; 9 int ch[nn][2]; int fa[nn]; 10 int size... 阅读全文
摘要:
题目描述 In the Byteotian Training Centre, the pilots prepare for missions requiring extraordinary precision and control. One measure of a pilot's capabil 阅读全文