* Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).

2D and 3D Clinostats are used to simulate microgravity on Earth. These machines continuously alter the sample’s orientation, so the acceleration vector changes faster than the biological endpoint ...

Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child ...

The Plushie system uses simple sketches to create a 3D plush-toy model and 2D cloth pattern which can be printed and sewed together to construct a real plush toy. We introduce Plushie, an interactive ...