Playlist Rotation Algorithm
Playlist Rotation Algorithm
MediumArrays100% accepted
Arjun manages Gaana's podcast division in Mumbai. When users mark podcasts as heard, the playlist must rotate left so unheard episodes move to the front for better UX.
Approach
Given an array of podcast episode IDs and integer K, rotate the array left by K positions and return the modified array.
Input
episodes=[1,2,3,4,5], k=2
Output
[3,4,5,1,2]
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