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Median of Arrays: Coding Interview Question

Article

Coding Interview Question: Median of Arrays

Coding Interview Question: Find the median of two sorted arrays. Click for the solution.
Random Binary Tree: Coding Interview Question

Article

Coding Interview Question: Random Binary Tree

Coding Interview Question: Implement a binary tree with a method getRandomNode() that returns a random node. Click for the solution.
Shortest Path: Coding Interview Question

Article

Coding Interview Question: Shortest Path

Coding Interview Question: Given a directed graph, find the shortest path between two nodes if one exists. Click for the solution.
Lowest Common Ancestor: Coding Interview Question

Article

Coding Interview Question: Lowest Common Ancestor

Coding Interview Question: Given two nodes in a binary tree, write a function to find the lowest common ancestor. Click for the solution.
Matrix Search: Coding Interview Question

Article

Coding Interview Question: Matrix Search

Coding Interview Question: Given an sorted n x m array, write a function to determine whether the array contains an element x. Click for the solution.
Three Sum: Coding Interview Question

Article

Coding Interview Question: Three Sum

Coding Interview Question: Given a list of integers, find all sets of 3 numbers in the list, a, b, and c, so that a + b + c == 0. Click for the solution.
Tree Level Order: Coding Interview Question

Article

Coding Interview Question: Tree Level Order

Coding Interview Question: Given a tree, write a function that prints out the nodes of the tree in level order. Click for the solution.
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