Serialize and deserialize a collection of strings into a single one.
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Was ist deine Lieblings-Datenstruktur? Welche Operationen hat sie? [Dann einige detaillierte Fragen über die Algorithmen die auf dieser Datenstruktur basieren]
reverse a sentence such that the ordering of words is reversed but the words aren't changed
Get the two highest number in a binary search tree
I spent much time for answering a question. Q : In a grid, if points, which refer locations of people, are given, which point in the grid will be the best point to meet together that the sum of distances from each position to the point is shortest. Distance between two points p1 and p2 is |p1_x-p2_x| + |p1_y-p2_y|.
A array : 1 3 0 2 4 9 input: dest-node: A0 output: all the source nodes: (A1, A3, A4) Each element in this array means the steps it can take. Each element can go left or right. So A[1] and A[4] can reach A[0]. A[1] can reach A[4], A[4] can reach A[0], so A[1] can reach A[0]. Output the index of element which can reach A[0].
Given a set of shapes in 2D space, and a coordinate pair, write a routine that returns true if any of the shapes overlap the coordinate pair.
Write a program to find depth of binary search tree without using recursion
Given a set of integers find if two elements sum to a given value.
Writing the code to convert numeric amount of price into English words.
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