Add LaTeX-formatted README for ICSP homework problem set

.gitignore

@@ -0,0 +1,8 @@
+# LaTeX build artifacts
+*.aux
+*.log
+*.out
+*.toc
+*.fdb_latexmk
+*.fls
+*.synctex.gz

README.md

@@ -1 +1,28 @@
-# ICSPSET
+# ICSPSET
+
+This repository contains solutions and explanations for the ICSP Problem Set covering image convolution, rotation, and cropping.
+
+## LaTeX README
+
+The full, formatted explanation of all six problem modifications is in **[README.tex](README.tex)**.  
+Compile it with any standard LaTeX toolchain, e.g.:
+
+```bash
+pdflatex README.tex
+```
+
+## Drive Link
+
+Code files for each problem are available here:  
+<https://drive.google.com/drive/folders/1oU7uNtzw4zDzvH8hW310cTP0fcf66ybJ?usp=sharing>
+
+## Problems covered
+
+| Problem | Description |
+|---------|-------------|
+| 2-1 (a) | Extend 3×3 convolution kernel to 5×5 |
+| 2-1 (b) | Generalise to any odd kernel size n > 1 (even sizes rejected) |
+| 2-2 (a) | Rotate image clockwise by 90° |
+| 2-2 (b) | Rotate image counter-clockwise by 90° |
+| 2-3 (a) | Crop image given top-left point P, width w, and height h |
+| 2-3 (b/c) | Stretch/squeeze cropped region to displayW × displayH, with full safety checks |