1. Implement queue using two stacks
2. Longest Palindromic substring (.)

Question

1. Implement queue using two stacks
2. Longest Palindromic substring (.)

Anonimo · Accepted Answer

I did well in both questions. 
For 2nd question, I suggested a non-DP approach with O(n2) but I think the interviewer was not impressed with this solution.

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