标签:blog os io for div sp log on c
卡特兰数的应用
#include<cstdio> #include<cstring> #include<iostream> #define ll long long #define mod 1000000007 using namespace std; ll a[10000+10]; int main() { int n; int i,j; a[0]=1; for(i=1;i<=10000;i++) { for(j=0;j<i;j++) { a[i]=(a[j]*a[i-1-j]%mod+a[i])%mod; } } while(cin>>n) { cout<<a[n]<<endl; } return 0; }
标签:blog os io for div sp log on c
原文地址:http://www.cnblogs.com/sola1994/p/3960686.html