empty_y

摘要： 1 # include<iostream> 2 # include<cstring> 3 using namespace std; 4 const int N = 2e5 + 10; 5 6 struct node { 7 int l, r; 8 int v; 9 } tr[4 * N]; /*存树 阅读全文

摘要： # include<iostream># include<stdlib.h># include<queue># include<cstring>using namespace std;const int N = 10050;typedef struct Arcbox{ int tailvex,hea 阅读全文