A fairly simple question to check the number of the digits of an input. Make sure your code is robust enough to handle anything unexpected though
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Given a graph node, write a code to return a copy of the sub-graph starting with that node.
give your a tree root, to find the same value in same layer
Take an array of numbers and replace each item with the product of all the other items in the array.
Serialize an array of integers in an arbitrary way. Imagine a 4x4 grid where the cells are visited in a snakelike pattern.
Write a code to find out if two string words are anagrams
Array of 100 integers from 1 to 100, shuffled. One integer is taken out, find that integer.
What is the best way to choose a random value in a stream? Given that each of them has a chance of occurring equally
Write a program to check if a number has rotational symmetry i.e is the same when rotated by 180 degrees. Ex 1691, 181, 11, 1001
If given a list (or array) of numbers 1 - 100 with a number missing. How would you find that number?
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