PPolySim OS
For K-12 Students · Graph Traversal

Graph Traversal for a circuit netlist

Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate a circuit netlist live below — adjust the inputs and watch it respond, right in your browser.

Graph Traversal (BFS / DFS)Live

Controls

The two ways to explore a graph. Breadth-first search fans out level by level using a queue, visiting all near nodes before far ones — ideal for shortest paths. Depth-first search plunges as deep as possible using a stack, backtracking when stuck — ideal for cycle detection and topological sorting. Watch the numbered visit order differ.

▶ Run in Python

Data Inspector

ModeBFS
Structurequeue (FIFO)
Nodes9

Governing equation

Reading this result: BFS uses a FIFO queue, so it fully visits every node at distance 1 before any at distance 2 — that level-by-level order is exactly why it finds shortest paths in unweighted graphs.

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Frequently asked questions

Is this good for k-12 students?
Yes — this version of "Graph Traversal for a circuit netlist" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.