![\"\"](\"https://assets.leetcode.com/uploads/2020/07/10/sample_2_1887.png\")
You are given an integer array nums. You have an integer array arr of the same length with all values set to 0 initially. You also have the following modify function:
\nYou want to use the modify function to convert arr to nums using the minimum number of calls.
Return the minimum number of function calls to make nums from arr.
The test cases are generated so that the answer fits in a 32-bit signed integer.
\n\n\n
Example 1:
\n\n\nInput: nums = [1,5]\nOutput: 5\nExplanation: Increment by 1 (second element): [0, 0] to get [0, 1] (1 operation).\nDouble all the elements: [0, 1] -> [0, 2] -> [0, 4] (2 operations).\nIncrement by 1 (both elements) [0, 4] -> [1, 4] -> [1, 5] (2 operations).\nTotal of operations: 1 + 2 + 2 = 5.\n\n\n
Example 2:
\n\n\nInput: nums = [2,2]\nOutput: 3\nExplanation: Increment by 1 (both elements) [0, 0] -> [0, 1] -> [1, 1] (2 operations).\nDouble all the elements: [1, 1] -> [2, 2] (1 operation).\nTotal of operations: 2 + 1 = 3.\n\n\n
Example 3:
\n\n\nInput: nums = [4,2,5]\nOutput: 6\nExplanation: (initial)[0,0,0] -> [1,0,0] -> [1,0,1] -> [2,0,2] -> [2,1,2] -> [4,2,4] -> [4,2,5](nums).\n\n\n
\n
Constraints:
\n\n1 <= nums.length <= 1050 <= nums[i] <= 109
给你一个与 nums 大小相同且初始值全为 0 的数组 arr ，请你调用以上函数得到整数数组 nums 。
请你返回将 arr 变成 nums 的最少函数调用次数。
答案保证在 32 位有符号整数以内。
\n\n\n\n
示例 1：
\n\n\n输入：nums = [1,5]\n输出：5\n解释：给第二个数加 1 ：[0, 0] 变成 [0, 1] （1 次操作）。\n将所有数字乘以 2 ：[0, 1] -> [0, 2] -> [0, 4] （2 次操作）。\n给两个数字都加 1 ：[0, 4] -> [1, 4] -> [1, 5] （2 次操作）。\n总操作次数为：1 + 2 + 2 = 5 。\n\n\n
示例 2：
\n\n\n输入：nums = [2,2]\n输出：3\n解释：给两个数字都加 1 ：[0, 0] -> [0, 1] -> [1, 1] （2 次操作）。\n将所有数字乘以 2 ： [1, 1] -> [2, 2] （1 次操作）。\n总操作次数为： 2 + 1 = 3 。\n\n\n
示例 3：
\n\n\n输入：nums = [4,2,5]\n输出：6\n解释：（初始）[0,0,0] -> [1,0,0] -> [1,0,1] -> [2,0,2] -> [2,1,2] -> [4,2,4] -> [4,2,5] （nums 数组）。\n\n\n
示例 4：
\n\n\n输入：nums = [3,2,2,4]\n输出：7\n\n\n
示例 5：
\n\n\n输入：nums = [2,4,8,16]\n输出：8\n\n\n
\n\n
提示：
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collections<\\/a>\\u3002\\u5982\\u679c\\u60a8\\u9700\\u8981\\u4f7f\\u7528\\u5176\\u4ed6\\u5e93\\u51fd\\u6570\\uff0c\\u8bf7\\u81ea\\u884c\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n \\u6ce8\\u610f Python 2.7 \\u5c06\\u57282020\\u5e74\\u540e\\u4e0d\\u518d\\u7ef4\\u62a4<\\/a>\\u3002 \\u5982\\u60f3\\u4f7f\\u7528\\u6700\\u65b0\\u7248\\u7684Python\\uff0c\\u8bf7\\u9009\\u62e9Python 3\\u3002<\\/p>\"],\"c\":[\"C\",\" \\u7248\\u672c\\uff1a \\u7f16\\u8bd1\\u65f6\\uff0c\\u5c06\\u4f1a\\u91c7\\u7528 \\u4e3a\\u4e86\\u4f7f\\u7528\\u65b9\\u4fbf\\uff0c\\u5927\\u90e8\\u5206\\u6807\\u51c6\\u5e93\\u7684\\u5934\\u6587\\u4ef6\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n \\u5982\\u60f3\\u4f7f\\u7528\\u54c8\\u5e0c\\u8868\\u8fd0\\u7b97, \\u60a8\\u53ef\\u4ee5\\u4f7f\\u7528 uthash<\\/a>\\u3002 \\\"uthash.h\\\"\\u5df2\\u7ecf\\u9ed8\\u8ba4\\u88ab\\u5bfc\\u5165\\u3002\\u8bf7\\u770b\\u5982\\u4e0b\\u793a\\u4f8b:<\\/p>\\r\\n\\r\\n 1. 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