{"problem":{"name":"求整数的和与均值","description":{"content":"读入 $n(1 \\le n \\le 10000)$ 个整数，求它们的和与均值。","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":"LGB2056"},"statements":[{"statement_type":"Markdown","content":"读入 $n(1 \\le n \\le 10000)$ 个整数，求它们的和与均值。\n\n## Input\n\n输入第一行是一个整数 $n$，表示有 $n$ 个整数。\n\n第 $2 \\sim n+1$ 行每行包含 $1$ 个整数。每个整数的绝对值均不超过 $10000$。\n\n## Output\n\n输出一行，先输出和，再输出平均值（保留到小数点后 $5$ 位），两个数间用单个空格分隔。\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"LGB2056","tags":["循环结构"],"sample_group":[["4\n344\n222\n343\n222\n","1131 282.75000"]],"created_at":"2026-03-03 11:09:25"}}