1470. ShuffletheArray.py

# 
# @PROBLEM       : 1470. Shuffle the Array
# @LEVEL         : EASY
# @STATUS        : SOLVED !
# @COMPLEXITY    : O(n^2)
# @SOLVED BY     : PLIPUS TELAUMBANUA <www.plipustel.com>
# @LEETCODE      : https://leetcode.com/u/plipustel/
# @DATE          : SATURDAY, JUN 22 2024
#
# @PROBELM SOURCE: https://leetcode.com/problems/shuffle-the-array/description/
# @PROBLEM DESC  :
# Given the array nums consisting of 2n elements in the form [x1,x2,...,xn,y1,y2,...,yn].
# Return the array in the form [x1,y1,x2,y2,...,xn,yn].
#
# Example 1:
# Input: nums = [2,5,1,3,4,7], n = 3
# Output: [2,3,5,4,1,7] 
# Explanation: Since x1=2, x2=5, x3=1, y1=3, y2=4, y3=7 then the answer is [2,3,5,4,1,7].

# Example 2:
# Input: nums = [1,2,3,4,4,3,2,1], n = 4
# Output: [1,4,2,3,3,2,4,1]
# Example 3:

# Input: nums = [1,1,2,2], n = 2
# Output: [1,2,1,2]
 
# Constraints:
# 1 <= n <= 500
# nums.length == 2n
# 1 <= nums[i] <= 10^3

class Solution(object):
    def shuffle(self, nums, n):
        """
        :type nums: List[int]
        :type n: int
        :rtype: List[int]
        """
        xy = []
        for i in range(n):
            xy.append(nums[i])
            xy.append(nums[i + n])
        return xy


arr = [2,5,1,3,4,7]
sol = Solution()
print(sol.shuffle(arr, 3))