Kth Row of Pascal's Triangle Interviewbit Solution

Problem Description:

Given an index k, return the kth row of the Pascal’s triangle.

Pascal’s triangle : To generate A[C] in row R, sum up A’[C] and A’[C-1] from previous row R - 1.

Example:

Input : k = 3  
Return : [1,3,3,1]

Note : k is 0 based. k = 0, corresponds to the row [1].

Solution:

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