You are given an integer money denoting the amount of money (in dollars) that you have and another integer children denoting the number of children that you must distribute the money to.
You have to distribute the money according to the following rules:
\n\n1 dollar.4 dollars.Return the maximum number of children who may receive exactly 8 dollars if you distribute the money according to the aforementioned rules. If there is no way to distribute the money, return -1.
\n
Example 1:
\n\n\nInput: money = 20, children = 3\nOutput: 1\nExplanation: \nThe maximum number of children with 8 dollars will be 1. One of the ways to distribute the money is:\n- 8 dollars to the first child.\n- 9 dollars to the second child. \n- 3 dollars to the third child.\nIt can be proven that no distribution exists such that number of children getting 8 dollars is greater than 1.\n\n\n
Example 2:
\n\n\nInput: money = 16, children = 2\nOutput: 2\nExplanation: Each child can be given 8 dollars.\n\n\n
\n
Constraints:
\n\n1 <= money <= 2002 <= children <= 30给你一个整数 money ，表示你总共有的钱数（单位为美元）和另一个整数 children ，表示你要将钱分配给多少个儿童。
你需要按照如下规则分配：
\n\n1 美元。4 美元。请你按照上述规则分配金钱，并返回 最多 有多少个儿童获得 恰好 8 美元。如果没有任何分配方案，返回 -1 。
\n\n
示例 1：
\n\n输入：money = 20, children = 3\n输出：1\n解释：\n最多获得 8 美元的儿童数为 1 。一种分配方案为：\n- 给第一个儿童分配 8 美元。\n- 给第二个儿童分配 9 美元。\n- 给第三个儿童分配 3 美元。\n没有分配方案能让获得 8 美元的儿童数超过 1 。\n\n\n
示例 2：
\n\n输入：money = 16, children = 2\n输出：2\n解释：每个儿童都可以获得 8 美元。\n\n\n
\n\n
提示：
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