题解 | #牛牛的Hermite多项式#
牛牛的Hermite多项式
https://www.nowcoder.com/practice/0c58f8e5673a406cb0e2f5ccf2c671d4
#include <stdio.h> int output(int n,int x) { if (n == 0) return 1; else if (n == 1) return 2*n; else return 2*x*output(n-1,x) - 2*(n-1)*output(n-2,x); } int main() { int n, x; scanf("%d %d", &n,&x); printf("%d", output(n,x)); return 0; }