{"raw_statement":[{"iden":"statement","content":"求 Hermite 多项式的值。\n\n$$\nh_n(x)=\\left\\{\n\\begin{aligned}\n1&，&n=0\\\\\n2x&，&n=1\\\\\n2xh_{n-1}(x)-2(n-1)h_{n-2}(x)&，& n>1\n\\end{aligned}\n\\right.\n$$\n\n\n\n对给定的 $x$ 和正整数 $n$，求多项式的值。"},{"iden":"input","content":"输入两个正整数 $n$ 和 $x$ 。"},{"iden":"output","content":"求多项式的值。"},{"iden":"note","content":"$(n \\le 8，x \\le 8)$"}],"translated_statement":null,"sample_group":[["1 2","4"]],"show_order":[],"formal_statement":null,"simple_statement":null,"has_page_source":false}