{"problem":{"name":"[朝阳区小学组 2019] rectangle","description":{"content":"给出一个长方形的长和宽，求长方形的周长和面积。","description_type":"Markdown"},"platform":"Luogu","limit":{"time_limit":1000,"memory_limit":524288},"difficulty":{"LuoguStyle":"P1"},"is_remote":true,"is_sync":true,"sync_url":null,"sign":"LGB4265"},"statements":[{"statement_type":"Markdown","content":"给出一个长方形的长和宽，求长方形的周长和面积。\n\n## Input\n\n两个整数 $a,b$（$1\\leq a,b\\leq 10\\,000$），分别表示长方形的长和宽，以空格隔开。\n\n## Output\n\n两个整数，分别表示长方形的周长和面积，以 $1$ 个空格隔开。\n\n[samples]\n\n## Background\n\n数据为洛谷自造。","is_translate":false,"language":"English"}],"meta":{"iden":"LGB4265","tags":["2019","北京","顺序结构","科创活动","小学活动"],"sample_group":[["5 3","16 15"]],"created_at":"2026-03-03 11:09:25"}}