DheetCode MascotDHEETCODE
150+ DSA Problems Visualized

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An interactive sandbox engine showing dynamic memory traces, line execution maps, and variables layouts in real-time.

COMPLETELY FREENO ACCOUNT REQUIRED
COMPREHENSIVE COVERAGE
150+ Problems

Visualize classic algorithms across Arrays, Two Pointers, Sliding Window, DP, Trees, and Graphs.

Standard CurriculumTCS/Infosys to FAANG Ready
LANGUAGE INDEPENDENT
3 Languages

Toggle code tabs to view and run execution models in JavaScript, C++, and Java simultaneously.

Supported ModelsJS, C++, and Java
ACTIVE VISUALIZATION
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Control pacing, step backward, edit custom inputs, and watch variables update live on trace memory maps.

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DheetCode Sandbox Engine

Run custom code, test assertions, and visualize memory boundaries in our upcoming premium execution sandbox.

sandbox://dheetcode-env/dynamic_matrix_rotator.js
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// Optimize spatial rotation of matrix layers in-place
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function rotateMatrix(matrix) {
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  const n = matrix.length;
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  for (let i = 0; i < Math.floor(n / 2); i++) {
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    for (let j = i; j < n - 1 - i; j++) {
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      let temp = matrix[i][j];
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      matrix[i][j] = matrix[n - 1 - j][i];
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      matrix[n - 1 - j][i] = matrix[n - 1 - i][n - 1 - j];
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      matrix[n - 1 - i][n - 1 - j] = matrix[j][n - 1 - i];
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      matrix[j][n - 1 - i] = temp;
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    }
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  }
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  return matrix;
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}
No output logs. Click \"Run Code\" to compile and execute.
Execution Analytics
Runtime speed0.00 ms
Memory consumption0.0 MB
StatusIdle
PROBLEM CATEGORIES

Explore 17 structured problem directories

Explore classics grouped by pattern structures. Select any category card to dynamically list all visualizable problems on DheetCode.

Chrome Companion

Visualize Directly on LeetCode

Supercharge your DSA prep. Solve problems directly on LeetCode and see the visual animations side-by-side inside your editor sidebar.

DheetCode Companion

v1.0.0 • Manifest V3

Our lightweight, secure companion Chrome extension adds the full interactive visualizer to your LeetCode problem pages as a sidebar panel.

Download Extension (.zip)
100% Secure • Installs locally via Developer Mode

How to Install (Chrome / Brave / Edge)

  1. Download & Extract: Click the download button to save dheetcode-companion.zip and unzip it to a folder.
  2. Open Extensions Settings: Open a new tab, type chrome://extensions, and press Enter.
  3. Enable Developer Mode: Toggle the switch in the top-right corner to turn on Developer Mode.
  4. Load Unpacked Extension: Click Load unpacked in the top-left, select the extracted folder, and start solving on LeetCode!
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