{"raw_statement":[{"iden":"statement","content":"阿克曼（Ackermann）函数 $A(m,n)$ 中，$m, n$ 定义域是非负整数（$m \\le 3$，$n \\le 10$），函数值定义为：\n\n$\\mathit{A}(m,n)=n+1$；（$m=0$ 时）。\n\n$\\mathit{A}(m,n)=\\mathit{A}(m-1,1)$；（$m>0$、$n=0$ 时）。\n\n$\\mathit{A}(m,n)=\\mathit{A}(m-1,\\mathit{A}(m,n-1))$；（$m,n>0$ 时）。"},{"iden":"input","content":"$m$ 和 $n$。"},{"iden":"output","content":"函数值。"}],"translated_statement":null,"sample_group":[["2 3","9"]],"show_order":[],"formal_statement":null,"simple_statement":null,"has_page_source":false}