Q: Check if a number is a power of 2. Q: Write code for pair-sum(a version of subset sum where the sum of two number is equal to the expected sum, rather than optimization problem, it is decision problem) problem. How to solve it in O(n lg n) and O(n) time. Q: What is the difference of pointer and reference in C++. When to use those ?
In order to remove the element from the linked list and use it somewhere else, how do you do that efficiently?
On what locations on earth if you walk 1km south, then 1km east and finally, 1km north would you end up in your starting point?
well all questions are expected, string reverse without reversing words for example " this is sentence" => "sentence is this", write c++ code to do so
What is SQL query for finding salary between 5lakh to 10 lakh. Query for finding only 5 entries of these results
related to prefix and postfix ++ operator ,very basic c output questions,if you can print "hello world" without semicolon.
tell me something about you
If you were designing a multi-threaded program to crunch numbers and do highly cpu intensive processing would you expect a single threaded program to do better or one using 50 threads and why?
puzzle of 3 boxes one contain red ball, one blue and one mixture of both, the labels of these boxes are not proper, how many minimum picks required to correct the label
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