摘要:
C - Recursive sequence 矩阵快速幂 #include<iostream> #include<cstdio> #include<algorithm> #include<cstring> using namespace std; typedef long long ll; cons 阅读全文
摘要:
https://vjudge.net/problem/HDU-5926/origin 如果有相邻的一样,或者在最外面一圈的边上有一样的就Yes; #include<iostream> #include<cstdio> using namespace std; const int N=50; int 阅读全文