Find out the number of connected cells in a 2D array
Software Development Engineer Interview Questions
32,841 software development engineer interview questions shared by candidates
Rearrange digits of a number to find the largest possible number in O(n) time.
Generally covers all data structures and Algorithm question types.
Challenge
Given the head of a linked list, write a program in your language of choice to return the middle node of the list.
There was nothing difficult or unexpected about the interview.
Generate all possible parenthesis for a given n
How many gas stations are there in the United States?
Basic 2 sum problem. Finding pair of numbers that add to current sum.
how to make it O(n)
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