Asked to write a function to determine if numbers were a power of X.
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Given a string input, create a function that will output a compressed version of the string. E.g. Input = "AAABBZZDDD", Output = "A3B2Z2D3"
write a function that receives a dictionary and a string and return true if the string is built of exactly two words in the dictionary
Difficult to answer in short and first time attempt.
find a way to separate money into n parts. For example, if total money is 121, find a way to separate 121 into 4 closest parts and the solution would be an array with elements 30, 30, 30, 31
What sort would you use if you had a large data set on disk and a small amount of ram to work with?
Some probability question 1) given a rand5() function which provide a random number between 1-5 at equal probability. Write a rand7() fuction to provide a random number between 1-7 with equal probability...
Given a BS tree, give the median number in the tree with O(1) space.
Write a function in Java that will take a sorted array of ints, possibly with duplicates, and compact the array removing all the duplicate numbers. That is, if the contains the numbers - 1, 3, 7, 7, 8, 9, 9, 9, 10, then when the function returns, the contents should be - 1, 3, 7, 8, 9, 10. Be sure your answer is as efficient as possible. Describe the efficiency of your algorithm using big O notation.
How can you efficiently detect whether two linked lists converged? If they do, how do you identify at which node this occurs?
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