Aquaregia's OneNote Analysis

Complete audit of 13 notebooks · 104 sections · July 2023 – Sep 2025

apps.aquaregia@gmail.com · Microsoft Graph API
13
Notebooks
~104
Sections
~70%
CS & Algo
2.5 yrs
Timespan
3
Active (2025)
10
Dormant (2023)
🔒
Encrypted Sections

📅 Notebook Creation Timeline

Algozenieth
Audible BOOKS
General
CF
leefcode
CSES
TODO
DSA
dev
placement
AlgoTrading
SysDesign
WIP

8 notebooks created in a 3-month burst (Jul–Oct 2023) during placement prep · 2025 saw a shift to System Design, Algo Trading, and ongoing work

📊 Content by Category

🧮 Algorithms & CP43 sections43
💻 Dev & Engineering21 sections21
🧠 Personal & Life15 sections15
🎓 CS Fundamentals10 sections10
📚 Books & Reading7 sections7
💼 Career & Placement6 sections6
📋 Productivity2 sections2
🏗️ System Design1 section1

📓 Notebook-by-Notebook Analysis

🧮 Algorithms & Competitive Programming

Algozenieth

Jul 2023 · 13 sections · dormant
Structured CP course covering Graph (Weeks 5–15), DP (Modules 6–12), Segment Trees (Week 9), String Algo, Heap, and a Revision section

DSA

Aug 2023 · 10 sections · dormant
Core DSA: Binary Search, DP, Graph, Heap, Recursion, Sorting, Stack & Queue, Two Pointers, Codeforces, Placement digest

leefcode

Jul 2023 · 17 sections · dormant
Neetcode 150 pattern coverage: Arrays, Tree, Graph, Trie, Interval, Greedy, Two Pointers, Advanced Graph + Backtracking, Segment Tree, Weekly contests

CSES

Aug 2023 · 3 sections · dormant
CSES problem set: Range Queries, Sorting & Searching, Tree Algorithms

💻 Development & Engineering

development

Aug 2023 · 18 sections · mostly dormant
Full-stack: JS, TypeScript, SQL, Redis, WebSocket, Messaging Queues, W3 JS · System Design: Alex Xu, Gaurav Sen · Career: Blog, Freelancing, Interview Taken, Chess Game, Books Read, Kim cc · 5 untitled "New Section N"

Algo Trading

Jan 2025 · 3 sections · active
Algorithms, Development, Learning — focused on building and learning algorithmic trading strategies

🎓 Computer Science Fundamentals

computer fundamentals

Jul 2023 · 10 sections · dormant
CS core: OS (slides + notes), Networks (CS144 Stanford), DBMS (NPTEL), OOPs (PPD), System Design, C++ topics + untitled section

🏗️ System Design

System Design

Apr 2025 · 1 section · active
DDIA (Designing Data-Intensive Applications) — dedicated book study notebook. Also system design content scattered in development (Alex Xu, Gaurav Sen sections)

📚 Books & Reading

Audible BOOKS

Jul 2023 · 7 sections · dormant
Book notes: 48 Laws of Power, Ikigai, Courage of Being Disliked, Hyper Focus (Chris Bailey), Get Epic Shit Done, Jim Simmons + untitled section

🧠 Personal & Life

General

Jul 2023 · 15 sections · ongoing
Personal reflections: Diary 🔒, Yearly Diary, Thoughts 🔒, Daily shit · Planning: Agenda, Month Plan, Things to Improve · Life: Bangalore, Thailand, Guitar, Dating Profile, Plots, Life Issues · 2 encrypted 1 untitled

💼 Career & Placement

placement '23

Oct 2023 · 6 sections · dormant
Campus placement: On-Campus Questions, Dev Interview, Books, Placement Planning, Rough, Write-ups

📋 Productivity

TODO LIST

Aug 2023 · 1 section · dormant
Daily task tracking — single section

WIP

Sep 2025 · 1 section · active
Discussion section — latest notebook, ongoing work

🔍 Key Observations

✅ Well-organized by topic. Notebooks follow a clear taxonomy — DSA, LeetCode patterns, CS fundamentals, books, personal — each in its own container. This is better than most people's OneNote setups.
⚠️ 70% of notebooks are dormant (2023). 10 of 13 notebooks haven't been touched since 2023. These contain valuable knowledge (especially Algozenieth, DSA, leefcode) that could be revisited, but they don't need to be active — archival is fine as long as they're findable.
🔒 Password-protected sections detected. Your Diary and Thoughts sections in General are encrypted — good privacy hygiene. These are inaccessible via the Graph API, which is exactly right for sensitive personal content.
🪣 ~7 untitled "New Section N" pages. Across development, computer fundamentals, leefcode, Audible BOOKS, and General, there are blank unnamed sections. These should either be populated (with actual content until they earn a name) or deleted.
📊 DSA content is fragmented across 4 notebooks. Algozenieth, DSA, leefcode, and CSES all cover overlapping algorithmic topics. If you ever revisit CP, consider merging these into one canonical notebook (e.g., "CP & Algorithms") with section groups for each source.
🔄 Visible skill evolution. The timeline tells a story: 2023 was intense placement prep and CS fundamentals → 2025 shifted to System Design (DDIA) and Algo Trading. This matches your career trajectory.
📋 Productivity system is minimal. TODO LIST has 1 section. WIP has 1 Discussion section. Your task/work tracking in OneNote is lightweight — likely because you've migrated task management to Notion (Action Center → Tasks DB). This is fine if intentional, but worth noting.
🔀 System Design is split across 3 places. The System Design notebook (DDIA), development notebook (Alex Xu + Gaurav Sen sections), and computer fundamentals (System Design section) all cover SD topics. Consolidating these under the System Design notebook would improve discoverability.

💡 Refinement Recommendations

1. Clean up "New Section N" pages across all notebooks. These are untitled, likely empty or abandoned sections. Do a quick sweep — if empty, delete. If they have content, rename them properly. This alone would clean up ~7 sections.
2. Consider merging the 4 DSA notebooks. Algozenieth (13 sections) + DSA (10) + leefcode (17) + CSES (3) = 43 sections of overlapping CP content. A merged "Algorithms & CP" notebook with section groups per source (Neetcode, Algozenieth, CSES, General DSA) would be cleaner and more discoverable.
3. Consolidate System Design content. Move Alex Xu and Gaurav Sen sections from developmentSystem Design notebook. Move the SD section from computer fundamentalsSystem Design. One canonical home for all system design knowledge.
4. Archive, don't delete dormant notebooks. The 2023 placement notebooks are a time capsule of your learning — don't delete them. Just let them sit as reference. If OneNote clutter bothers you, close the notebooks (they stay in your account but don't sync actively).
5. Align OneNote with your Notion pillars. Your Notion workspace is the active system. OneNote is your long-form knowledge repository. A clean mapping would be: OneNote DSA/CS → Notion Self (Notebook DB), OneNote Dev → Notion Career, OneNote General → Notion Self (Journal), OneNote Algo Trading → Notion Projects (Project Ledger).
6. The "General" notebook is a catch-all — that's okay. With 15 sections spanning diary entries, travel planning, guitar, dating, and life issues, it's doing exactly what a "General" notebook should. Don't over-structure it. Just keep the encrypted sections encrypted.

🗺️ Notebook→Category Visual Map

Notebook Sections Created Status Category
Algozenieth13Jul 2023dormant🧮 CP
leefcode17Jul 2023dormant🧮 CP
DSA10Aug 2023dormant🧮 CP
CSES3Aug 2023dormant🧮 CP
development18Aug 2023mostly dormant💻 Dev
Algo Trading3Jan 2025active💻 Dev
System Design1Apr 2025active🏗️ SD
computer fundamentals10Jul 2023dormant🎓 CS
Audible BOOKS7Jul 2023dormant📚 Books
General15Jul 2023ongoing🧠 Personal
placement '236Oct 2023dormant💼 Career
TODO LIST1Aug 2023dormant📋 Productivity
WIP1Sep 2025active📋 Productivity
Generated by Hermes Pages · Auto-expires in 24h unless persisted
Source: Microsoft Graph API · apps.aquaregia@gmail.com · 22 Jun 2026