Does it support Dark Mode paper?

Yes. This template defaults to the 'Obsidian Slate' dark paper theme, and you can switch to light or ruled paper anytime in Note Properties.

Can I download my coding cheat sheet as a PDF?

Yes. Click Download PDF to create a sharp, vector A4 PDF cheat sheet to review right before coding interviews.

Algorithms•dark Paper

Data Structures & Algorithms (DSA) Revision Sheet

Engineered for software engineers and CS students preparing for technical coding interviews (FAANG, LeetCode, GATE). Organized by algorithm patterns and Big-O complexities.

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DSA & Coding Interview Notes Template — Interactive Workspace Preview

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Data Structures & Algorithms Cheat SheetSoftware Engineer•Computer Science
# Data Structures & Algorithms Revision Notes
**Focus:** Core Patterns & Big-O Complexity Cheat Sheet

## 1. Sorting Algorithms Complexity
- **Merge Sort**: Time O(N log N) all cases | Space O(N) | Stable: YES
- **Quick Sort**: Time O(N log N) avg, O(N²) worst | Space O(log N) | Stable: NO
- **Heap Sort**: Time O(N log N) | Space O(1) | In-place: YES

## 2. Essential Two-Pointer Pattern
Used on sorted arrays/strings to find pairs or subarray windows in O(N) time:
```ts
function twoSumSorted(arr: number[], target: number): [number, number] | null {
  let left = 0;
  let right = arr.length - 1;
...
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Why Use the DSA & Coding Interview Notes Template?

Obsidian Slate Dark Mode

Eye-friendly dark theme designed for developers coding late into the night.

Fira Code Monospace Typography

Syntax-ready typography with crisp indentation for Python, C++, Java, and TypeScript code snippets.

Big-O Complexity Tables

Structured sections for memorizing time and space complexities before interview rounds.

Pattern Revision Checklist

Check off mastered LeetCode patterns (Two Pointers, Sliding Window, DP, Graphs).

Study Methodology

How to Take Notes with this Template

Phase 1

1. Categorize by Pattern, Not Problems

Group problems by underlying technique (e.g. Fast & Slow Pointers, Monotonic Stack, Backtracking) rather than individual problem names.

Phase 2

2. State Big-O First

Before writing the code, always document the time complexity and space complexity constraints.

Phase 3

3. Note Down Edge Cases

Always write down edge cases: empty input, single element, duplicates, and integer overflow boundaries.

Common Questions

Frequently Asked Questions

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