{"problem":{"name":"digit 函数","description":{"content":"在程序中定义一函数 $digit(n,k)$，它能分离出整数 $n$ 从右边数第 $k$ 个数字。","description_type":"Markdown"},"platform":"Luogu","limit":{"time_limit":1000,"memory_limit":131072},"difficulty":{"LuoguStyle":"P1"},"is_remote":true,"is_sync":true,"sync_url":null,"sign":"LGB2145"},"statements":[{"statement_type":"Markdown","content":"在程序中定义一函数 $digit(n,k)$，它能分离出整数 $n$ 从右边数第 $k$ 个数字。\n\n## Input\n\n正整数 $n$ 和 $k$。\n\n## Output\n\n一个数字。\n\n[samples]\n\n## Note\n\n$n \\le 10^9$。\n\n$k \\le 10$。","is_translate":false,"language":"English"}],"meta":{"iden":"LGB2145","tags":["函数与递归"],"sample_group":[["31859 3","8"]],"created_at":"2026-03-03 11:09:25"}}