अभ्यास • Week 27

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Weekly Production Deliverable

Target Output

Deliverable: Graphs fully done. Introduction to DP + 1D DP done. Capstone portfolio-ready. LLD Interview Problems Parts 1 & 2 complete.

Weeks: W26 W27 Active W28 W29 W30

Monday

0 / 2 done

DSA MST theory; Disjoint Set (by rank & size)

1.5h

AI/ML AI/ML Interview Bank 1: Classical ML

Krish Naik ML Interview Questions playlist: Bias-Variance tradeoff, Overfitting/Underfitting, L1 vs L2 regularization, Tree splitting criteria, ROC-AUC vs PR curve, Feature selection

2.5h

Tuesday

0 / 2 done

DSA Find the MST weight; Number of operations to make network connected

1.5h

CORE LLD Interview Problems 3

Design & Code: Traffic Signal System (state transitions, timer logic) & Vending Machine System in Java (state pattern, coin/cash handling, inventory tracking)

2.5h

Wednesday

0 / 2 done

DSA Accounts merge; Number of islands II

1.5h

AI/ML AI/ML Interview Bank 2: Deep Learning

Krish Naik Deep Learning Questions playlist: Vanishing/Exploding gradients, Weight initialization (He, Xavier), CNN convolution math, Optimizers (Adam vs SGD), ResNet skip connections

2.5h

Thursday

0 / 2 done

DSA Making a large island; Most stones removed with same row or column

Graphs done

1.5h

CORE LLD Interview Problems 4

Design & Code: Task Management System & Pub-Sub System in Java (topics, consumer groups, message delivery, thread-safe queues)

2.5h

Friday

0 / 2 done

DSA Introduction to DP; Climbing stairs; Frog Jump

1.5h

AI/ML AI/ML Interview Bank 3: Transformers & GenAI

Self-Attention equations, Multi-Head Attention, Positional Encoding, BPE Tokenization, RAG chunking strategies, Context length constraints, Hallucination mitigation

2.5h

⚡ Weekend High-Load Execution • 8.0h Daily Deep Focus Lab

Saturday

0 / 3 done

DSA Frog jump with K distances; Max sum of non-adjacent elements

1.5h

AI/ML Capstone FastAPI Service & Vector Search (4.0h)

Build FastAPI microservice exposing /query, /embed, and /health endpoints with Pydantic validation and pgvector integration.

4.0h

APT Quant Mocks 13–20

All 20 Quant Mocks complete!

2.5h

Sunday

0 / 3 done

DSA House robber I & II + Contest

1.5h

AI/ML Containerization & Docker Deployment (4.0h)

Containerize the AI service with multi-stage Dockerfile; configure docker-compose with Postgres + pgvector; verify local deployment.

4.0h

APT Logical Mocks 1–6

Timed placement test simulation + review incorrect answers

2.5h

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Week 27 Technical Notes & Journal

#LeetCode #Java #DSA #Week27