HDU 4046 Panda (ACM ICPC 2011北京赛区网络赛) Panda Time Limit: 10000/4000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1816 Accepted Submission(s): 632 Problem Description When I wrote down this letter, you may have…
插板法基础知识 斯特林数见百科 #include<iostream> #include<cmath> #include<cstdio> #include<cstring> #define LL long long #define eps 1e-7 #define MOD 1000000007 using namespace std; ][]={},stir2[][]={}; int main(){ ;i<=;i++){ c[i][]=c[i][i]=;…