Given an index k, return the kth row of the Pascal's triangle.
For example, given k = 3,
Return [1,3,3,1].
Note:
Could you optimize your algorithm to use only O(k) extra space?
本文介绍了一种高效算法来获取Pascal三角形的特定行,通过使用双数组循环来实现,优化了空间复杂度至O(k),并详细解释了算法背后的数学原理和优化策略。
Given an index k, return the kth row of the Pascal's triangle.
For example, given k = 3,
Return [1,3,3,1].
Note:
Could you optimize your algorithm to use only O(k) extra space?

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