![\"\"](\"https://assets.leetcode.com/uploads/2022/01/06/example1-fit.png\")
You have n computers. You are given the integer n and a 0-indexed integer array batteries where the ith battery can run a computer for batteries[i] minutes. You are interested in running all n computers simultaneously using the given batteries.
Initially, you can insert at most one battery into each computer. After that and at any integer time moment, you can remove a battery from a computer and insert another battery any number of times. The inserted battery can be a totally new battery or a battery from another computer. You may assume that the removing and inserting processes take no time.
\n\nNote that the batteries cannot be recharged.
\n\nReturn the maximum number of minutes you can run all the n computers simultaneously.
\n
Example 1:
\n\n\nInput: n = 2, batteries = [3,3,3]\nOutput: 4\nExplanation: \nInitially, insert battery 0 into the first computer and battery 1 into the second computer.\nAfter two minutes, remove battery 1 from the second computer and insert battery 2 instead. Note that battery 1 can still run for one minute.\nAt the end of the third minute, battery 0 is drained, and you need to remove it from the first computer and insert battery 1 instead.\nBy the end of the fourth minute, battery 1 is also drained, and the first computer is no longer running.\nWe can run the two computers simultaneously for at most 4 minutes, so we return 4.\n\n\n\n
Example 2:
\n![\"\"](\"https://assets.leetcode.com/uploads/2022/01/06/example2.png\")
\n\nInput: n = 2, batteries = [1,1,1,1]\nOutput: 2\nExplanation: \nInitially, insert battery 0 into the first computer and battery 2 into the second computer. \nAfter one minute, battery 0 and battery 2 are drained so you need to remove them and insert battery 1 into the first computer and battery 3 into the second computer. \nAfter another minute, battery 1 and battery 3 are also drained so the first and second computers are no longer running.\nWe can run the two computers simultaneously for at most 2 minutes, so we return 2.\n\n\n
\n
Constraints:
\n\n1 <= n <= batteries.length <= 1051 <= batteries[i] <= 109你有 n 台电脑。给你整数 n 和一个下标从 0 开始的整数数组 batteries ，其中第 i 个电池可以让一台电脑 运行 batteries[i] 分钟。你想使用这些电池让 全部 n 台电脑 同时 运行。
一开始，你可以给每台电脑连接 至多一个电池 。然后在任意整数时刻，你都可以将一台电脑与它的电池断开连接，并连接另一个电池，你可以进行这个操作 任意次 。新连接的电池可以是一个全新的电池，也可以是别的电脑用过的电池。断开连接和连接新的电池不会花费任何时间。
\n\n注意，你不能给电池充电。
\n\n请你返回你可以让 n 台电脑同时运行的 最长 分钟数。
\n\n
示例 1：
\n\n
输入：n = 2, batteries = [3,3,3]\n输出：4\n解释：\n一开始，将第一台电脑与电池 0 连接，第二台电脑与电池 1 连接。\n2 分钟后，将第二台电脑与电池 1 断开连接，并连接电池 2 。注意，电池 0 还可以供电 1 分钟。\n在第 3 分钟结尾，你需要将第一台电脑与电池 0 断开连接，然后连接电池 1 。\n在第 4 分钟结尾，电池 1 也被耗尽，第一台电脑无法继续运行。\n我们最多能同时让两台电脑同时运行 4 分钟，所以我们返回 4 。\n\n\n
示例 2：
\n\n
输入：n = 2, batteries = [1,1,1,1]\n输出：2\n解释：\n一开始，将第一台电脑与电池 0 连接，第二台电脑与电池 2 连接。\n一分钟后，电池 0 和电池 2 同时耗尽，所以你需要将它们断开连接，并将电池 1 和第一台电脑连接，电池 3 和第二台电脑连接。\n1 分钟后，电池 1 和电池 3 也耗尽了，所以两台电脑都无法继续运行。\n我们最多能让两台电脑同时运行 2 分钟，所以我们返回 2 。\n\n\n
\n\n
提示：
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