摘要:
#include<bits/stdc++.h> using namespace std; #define ll long long #define ls k<<1 #define rs k<<1|1 struct tree { ll le,ri,sum,lz; } t[100100<<2]; inl 阅读全文
摘要:
#include<bits/stdc++.h> using namespace std; #define ll long long int n,m,s,t; struct edge { int to,nxxt,len; }e[1001001<<1]; int head[1001001],cnt=-1 阅读全文
摘要:
传送门 #include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define db double #define N 1000100 #define jd (i 阅读全文