摘要:
还是树剖模板啊QwQ #include<cstdio> #include<iostream> #include<cstring> #include<algorithm> #define maxn 600100 using namespace std; struct node { long long 阅读全文
摘要:
树剖模板+1 记得开long long #include<cstdio> #include<iostream> #include<cstring> #include<algorithm> #define maxn 100010 using namespace std; struct node { i 阅读全文