You are given a positive integer k. Initially, you have an array nums = [1].
You can perform any of the following operations on the array any number of times (possibly zero):
\n\n1.Return the minimum number of operations required to make the sum of elements of the final array greater than or equal to k.
\n
Example 1:
\n\nInput: k = 11
\n\nOutput: 5
\n\nExplanation:
\n\nWe can do the following operations on the array nums = [1]:
1 three times. The resulting array is nums = [4].nums = [4,4,4].The sum of the final array is 4 + 4 + 4 = 12 which is greater than or equal to k = 11.
\nThe total number of operations performed is 3 + 2 = 5.
Example 2:
\n\nInput: k = 1
\n\nOutput: 0
\n\nExplanation:
\n\nThe sum of the original array is already greater than or equal to 1, so no operations are needed.
\n
Constraints:
\n\n1 <= k <= 105给你一个正整数 k 。最初，你有一个数组 nums = [1] 。
你可以对数组执行以下 任意 操作 任意 次数（可能为零）：
\n\n1 。返回使得最终数组元素之 和 大于或等于 k 所需的 最少 操作次数。
\n\n
示例 1：
\n\n输入：k = 11
\n\n输出：5
\n\n解释：
\n\n可以对数组 nums = [1] 执行以下操作：
1 三次。结果数组为 nums = [4] 。nums = [4,4,4] 。最终数组的和为 4 + 4 + 4 = 12 ，大于等于 k = 11 。
\n执行的总操作次数为 3 + 2 = 5 。
示例 2：
\n\n输入：k = 1
\n\n输出：0
\n\n解释：
\n\n原始数组的和已经大于等于 1 ，因此不需要执行操作。
\n\n
提示：
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