{"trustable":false,"sections":[{"title":"","value":{"format":"MD","content":"给定一个正整数数列,求一个平均数最大的,长度不小于 $L$ 的子段"}},{"title":"Input","value":{"format":"MD","content":"$N$ 数列长度,$L$ 子段长度 ( $ N\\leq 2000 $)"}},{"title":"Output","value":{"format":"MD","content":"平均值 $\\times 1000$ 取整"}},{"title":"Sample Input","value":{"format":"MD","content":"\u003cpre class\u003d\"sio\"\u003e10 6\n6 \n4\n2\n10\n3\n8\n5\n9\n4\n1\n\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"MD","content":"\u003cpre class\u003d\"sio\"\u003e6500\n\u003c/pre\u003e"}}]}