Q) How would you all values from the nodes of a given binary tree into a string and then deserialize the string and put it back in the binary tree?
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Find depth of a binary tree
Reverse a linked list
Given a 5x5 board containing random characters, find all words that can be formed from consecutive adjacent (diagonals count) characters.
in an array of characters find the character that is repeated the most
Consider a simple array. What is the time complexity to insert, search, delete an element?
Given an array of integers [1,2,3,4]. and target t = 5. Come up with a solution that will print out all the unique pairs in the array that are equal t.
"Given this 'web page' of an interactive calculator where you can insert values and the results be printed to the screen, what methods would you use to 'break' the code?"
write a function that takes in an int and returns a string that would be how one would say that number (ex: 123 -> one hundred twenty three; 50019 -> five thousand nineteen).
what is the angle between the hours and minutes hand in an analog clock when the time is 3:15?
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