Blog
Notes on algorithms, competitive programming and the tools I use every day — some in English, some in বাংলা.
2020
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Git Handbook
Notes on Git internals and workflows — references, merges, rebasing, rewriting history, tracking branches and GitFlow — gathered in one place.
- git
- vcs
- version control system
2018
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Bit Manipulation Handbook
Bitwise operators, truth tables, and a list of practical bit tricks gathered in one place.
- Bit
- Bit Manipulation
- Fast Operation
2015
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Chinese Remainder Theorem বাংলা
Solving systems of linear congruences with the Chinese Remainder Theorem and the Extended Euclid algorithm, with a worked example.
- CRT
- Chinese Remainder Theorem
- Algorithm
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Find the sum of divisors from 1 to n বাংলা
An optimized O(√n) way to find the sum of divisors of the first n natural numbers.
- sum of divisors
- algorithm
- optimisation