rounakkumarsingh blogs

Series

Advent Of Code 2025

In this series, I will be sharing my approach and the logic behind those along with some C++(or maybe something else sometimes) code

Dec 5, 2025
Dec 5, 20257 min read8 views
Advent of Code 2025 — Day 5: Fresh Ingredients & Interval Logic
Turning messy ingredient ranges into clean answers with set checks and interval merging.
7 min read8 views
Dec 4, 2025
Dec 4, 20254 min read3 views
Advent Of Code 2025 - Day 4
Grid - Crowd Simulation, Pruning and Repetition
4 min read3 views
Dec 3, 2025
Dec 3, 20253 min read4 views
Advent of Code 2025 - Day 3
Straight Forward ones
3 min read4 views
Dec 1, 2025
Dec 1, 20257 min read16 views
Advent of Code 2025 - Day 2
A mathematical approach
7 min read16 views