Path Sum III
Given a binary tree and a target sum, find the total number of all paths in the tree such that the sum of the values along the path equals the…
Graph
Path Sum II
Given a binary tree and a target sum, find all root-to-leaf paths where each path's sum equals the given target sum. A leaf is a node with no children.
Path Sum
Given a binary tree and a target sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given target…
What is Graph data structure?
A graph is a collection of nodes (vertices) and edges (connections) that represent pairwise relationships between nodes. Graphs are widely used to model various real-world systems, including social networks, transportation…