In linux, a folder consists of 10000 files and some files contain US phone numbers. What would you do to display the names of files containing US phone numbers?
Interne Software Interview Questions
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Write a function that returns the depth of a tree.
3) Given a N*N array where N is even such as 4, 8 and so on . Print the array from the center. a= [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] the output should be [6 10 12 7 3 2 1 5 9 13 14 15 16 12 8 4 ] .
Given a 2D array, find the sum of all the elements in the array. O(n^2) solution is too slow, find ways to optimize (ended up adding a second parameter 2D array).
Heap Sorting. What data structure do you use to implement it? Time to access and sort. Code it.
Is it possible to sort using linear time a file with lots of numbers that contain duplicates, when there are no limits of resources or space?
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To find least common ancestor in a binary search tree
Write a program to reverse a string
reverse a string
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