摘要:
https://ac.nowcoder.com/acm/contest/3007/E 放下题解 1 #include<bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const int maxn = 32640; 5 l 阅读全文
摘要:
1 #include<bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const int mod = 1e9+7; 5 struct Matrix { 6 int a[3][3]; 7 Matrix() { memset 阅读全文