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Output

Post order (Light-up animation)

In order (Light-up animation)

Check All
Solutions

Pre order (Light-up animation)

Solutions

Pre order:
In order:
Post order:
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Settings

Theme: (Dark)

Lines: (Cornered)

Light-up animation delay time: 500ms

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Generate random tree

Max number of levels

Tree type

Generate
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How to use

1. Construct a binary tree using the left/right buttons to add nodes and delete button to remove nodes or press "random tree" to generate a random tree.
2. Type in guesses for results in output box at the bottom of your screen
3. Click "check answers" or "view solutions" to verify
4. Click "Light-up animation" to see light up animations of traversal
5. Click "Reset Tree" to start over
6. Click "Share Tree" share your tree with someone else
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Share Tree

Send the following URL to someone to share your tree with them.
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