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English assessment
1.program to print 1 to 100 without using any loop
Given a mapping of the english alphabet to numbers (i.e. a = 1, b = 2, k = 11) and a string of numbers (i.e. "110124"), determine the number of representations that the string may have in letters.
Convert a binary tree to a doubly circular linked list.
First Question: Print all combinations from dictionary which will result in number N Input Dictionary { “flag”:4.5, “temp”:2 ,”foo”:9} N : 11 Output: “Flag”*2 + “temp”*1 “Foo”*1+”temp”*1 Second Question: Return list of root-to-leaf sum (in left to right) from given tree Input: 1 / \ 2 3 / \ 4 5 Output: [7,8,4]
Given a list of persons and a function knows(I,j) which returns true if person I knows person j, find a celebrity person defined as: person doesn't know anybody else and everybody else knows him.
You’re writing a monitoring app that periodically checks if a website is up. Of those listed below, what is the BEST way to schedule these periodic checks? A. Register a WakeLock with PowerManager. B. Call setInexactRepeating on AlarmManager. C. Post to a Handler with postDelayed. D. Call setPeriodicTimer on TimerService.
Algo Question: Take two binary numbers and add them
print the binary tree by level in different lines.
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