Given an NXN array, filled with battleships that can only be horizontal or vertical, count how many battleships are there in the board. The battleships will always have at least one horizontal/vertical space between them. Solution should be with no extra memory, one pass, and without changing the board.
Determine if a linked list is circular (give upper and lower on runtime bounds given the choices made/optimal ratio)
Many design questions.
Logic to find the LCA of tree and node has pointer to parent node.
Read XML file and create N-array tree
Explain recursion to a 6 years old Fruits and Baskets problem You have 9 marbles, one a bit heavier and a balance, determine which one is the heavier marble from just 2 measurements.
What is http? What are http headers? What are the methods? What are http verbs?
Mostly technical question around work done earlier
No point in knowing the question because in second round they wont let you answer
Color all neighboring cells with same color
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