Carmichael Numbers An important topic nowadays in computer science is cryptography. Some people even think that cryptography is the only important field in computer science, and that life would not matter at all without cryptography. Alvaro is one…
大一上学完数分上后终于可以搞懂指数型母函数了.. 需要一点关于泰勒级数的高数知识 题目在此: "红色病毒"问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4407 Accepted Submission(s): 1831 Problem Description 医学界发现的新病毒因其蔓延速度和Internet上传播…
矩阵乘法裸题..差分一下然后用矩阵乘法+快速幂就可以了. --------------------------------------------------------------------------------- #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int maxn = 20; typedef long long ll; t…