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Phase 4 • Week 19

Stack/Queue FAQs, CN continues, Convolutional Neural Networks

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Weekly Production Deliverable

Target Output
Deliverable: Stack/Queue (all FAQs, including LRU/LFU Cache) done. Your CNN image classifier is on GitHub.
Weeks: W16 W17 W18 W19 Active W20

Monday

0 / 2 done
DSA Implement Min Stack
1.5h
AI/ML CNN Foundations: Convolutions & Pooling
Andrew Ng DL Spec Course 4: Convolutional Neural Networks (Week 1: The convolution operation, edge detection, padding: valid vs same, stride, multi-channel convolutions, pooling layers: max vs average)
2.5h

Tuesday

0 / 2 done
DSA Sliding Window Maximum
1.5h
CORE Application Layer Protocols: HTTP Evolution
HTTP/1.0, HTTP/1.1 (Persistent connections, Pipelining), HTTP/2 (Multiplexing, Header compression), HTTP/3 (QUIC over UDP), HTTP Methods, Status Codes + Quiz
2.5h

Wednesday

0 / 2 done
DSA Trapping Rainwater
1.5h
AI/ML Classic CNN Architectures
Andrew Ng DL Spec Course 4 (Week 2: LeNet-5, AlexNet, VGG-16, 1x1 convolutions / Network in Network, introduction to Inception and ResNet architectures)
2.5h

Thursday

0 / 2 done
DSA Largest Rectangle in a Histogram; Maximum Rectangles
1.5h
CORE Security & Cryptographic Protocols
Introduction to Cryptography, Security Goals of Cryptography (Confidentiality, Integrity, Availability - CIA Triad), Symmetric vs Asymmetric Encryption, HTTPS and TLS Handshake & Perfect Forward Secrecy, Diffie-Hellman Key Exchange, Hash Functions, MAC & HMAC, Digital Signatures, PKI, Certificate Pinning, DNSSEC, Cookies vs Sessions vs JWT, WebSockets + Quiz: Introduction to Cryptography
2.5h

Friday

0 / 2 done
DSA Stock Span Problem
1.5h
AI/ML Build a CNN Image Classifier
PyTorch/Keras: Build, train, and evaluate a convolutional neural network on CIFAR-10 with data augmentation (flips, crops), Dropout, and Batch Normalization; push to GitHub with README
2.5h
Weekend High-Load Execution • 8.0h Daily Deep Focus Lab

Saturday

0 / 3 done
DSA Celebrity Problem
1.5h
AI/ML Landmark DL Papers: Batch Normalization & Dropout (4.0h)
Deep reading of Ioffe & Szegedy (2015) "Batch Normalization" & Srivastava et al. (2014) "Dropout"; implement custom BatchNorm1d layer.
4.0h
APT Quant M19 & Verbal/Logical
Quant M19 Progressions (Basic & Advance) + Verbal/Logical Mixed Practice
2.5h

Sunday

0 / 3 done
DSA LRU Cache; LFU Cache + Contest + revision
1.5h
AI/ML Deep Residual Networks (ResNet) Paper Lab (4.0h)
Deep reading of He et al. (2015) "Deep Residual Learning for Image Recognition"; implement skip connection and ResidualBlock in PyTorch.
4.0h
APT Network Security & Edge Architecture
Firewalls (Packet filtering, Stateful, Application), Symmetric vs Asymmetric encryption, Content Delivery Networks (CDNs), Forward vs Reverse Proxies
2.5h
edit_note

Week 19 Technical Notes & Journal

#LeetCode #Java #DSA #Week19