LeetCode Brush Question 1470. Rearrange the array

LeetCode Brush Question 1470. Rearrange the array

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• Topic :
  give you an array nums, the array has 2nelements, according to [x1,x2,...,xn,y1,y2,...,yn]the format arrangement.
  Please array by [x1,y1,x2,y2,...,xn,yn]rearranging the format and returns an array rearranged.
• Example :

示例 1 :
输入：nums = [2,5,1,3,4,7], n = 3
输出：[2,3,5,4,1,7] 
解释：由于 x1=2, x2=5, x3=1, y1=3, y2=4, y3=7 ，所以答案为 [2,3,5,4,1,7]

示例 2 :
输入：nums = [1,2,3,4,4,3,2,1], n = 4
输出：[1,4,2,3,3,2,4,1]

示例 3 :
输入：nums = [1,1,2,2], n = 2
输出：[1,2,1,2]

• Tips :
  • 1 <= n <= 500
  • nums.length == 2n
  • 1 <= nums[i] <= 10^3
• Code:

class Solution:
    def shuffle(self, nums: List[int], n: int) -> List[int]:
        a = []
        for i in range(n):
            a.append(nums[i])
            a.append(nums[i+n])
        return a
# 执行用时 :44 ms, 在所有 Python3 提交中击败了100.00%的用户
# 内存消耗 :13.6 MB, 在所有 Python3 提交中击败了100.00%的用户

• Algorithms Description:
  create an empty table a, with nintervals, add numsthe elements to return to the list a.