Find how many string pairs are there in array such that at least one permutation of their concatentation is a palindrome.
I created a video discussing the technique to solve this in $$$O(N \cdot Log(N))$$$.
Find how many string pairs are there in array such that at least one permutation of their concatentation is a palindrome.
I created a video discussing the technique to solve this in $$$O(N \cdot Log(N))$$$.
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