Source Map — Level 10: Advanced Number Theory

এই folder-এর প্রতিটা concept আর problem-এর উৎসের হিসাব। সব Bengali prose, diagram আর code এই repo-র জন্য নতুন করে লেখা — বাইরের কোনো লেখার অনুবাদ বা copy নয়। Problem statement কোথাও copy করা হয়নি; শুধু official link দেওয়া আছে। CP-Algorithms-এর page গুলো algorithm-এর reference হিসেবে ব্যবহৃত — সেখানকার লেখা বা proof কোথাও তুলে আনা হয়নি।

Concept / Problem	Source Type	Source Name	Link	How it is used	Copying status
Extended Euclidean Algorithm (125)	Reference site	CP-Algorithms Extended Euclidean	https://cp-algorithms.com/algebra/extended-euclid-algorithm.html	Problem 125-এর reference; সিঁড়ি analogy ও dry run নিজের	inspired by source
Linear Diophantine Equation (126)	Reference site	CP-Algorithms Linear Diophantine	https://cp-algorithms.com/algebra/linear-diophantine-equation.html	Problem 126-এর reference; দাঁড়িপাল্লা analogy নিজের	inspired by source
Chinese Remainder Theorem (127)	Reference site	CP-Algorithms CRT	https://cp-algorithms.com/algebra/chinese-remainder-theorem.html	Problem 127-এর reference; ঘড়ি analogy ও উদাহরণ নিজের	inspired by source
Euler Totient Advanced (128)	Reference site	CP-Algorithms Euler's totient	https://cp-algorithms.com/algebra/phi-function.html	Problem 128-এর reference; code ও ব্যাখ্যা নিজের	inspired by source
Mobius Function Intro (129)	Encyclopedia	Wikipedia Möbius function	https://en.wikipedia.org/wiki/M%C3%B6bius_function	Problem 129-এর definition reference; IE-encode ব্যাখ্যা নিজের	inspired by source
Modular Inverse Advanced (130)	Reference site	CP-Algorithms Modular inverse	https://cp-algorithms.com/algebra/module-inverse.html	Problem 130-এর reference; Fermat vs ext-gcd তুলনা নিজের	inspired by source
Matrix Exponentiation (131)	Reference site	Classic CP technique; USACO Guide	https://usaco.guide/	Problem 131-এর reference; gear box analogy নিজের	inspired by source
Fibonacci using Matrix Expo (132)	Reference site	CP-Algorithms Fibonacci numbers	https://cp-algorithms.com/algebra/fibonacci-numbers.html	Problem 132-এর reference; verify ধাপ নিজের	inspired by source
Fast Doubling Fibonacci (133)	Reference site	CP-Algorithms Fibonacci numbers (একই page)	https://cp-algorithms.com/algebra/fibonacci-numbers.html	Problem 133-এর formula reference; ব্যাখ্যা নিজের	inspired by source
Primality Test Advanced (134)	Reference site	CP-Algorithms Primality tests	https://cp-algorithms.com/algebra/primality_tests.html	Problem 134-এর reference	inspired by source
Miller-Rabin Intro (135)	Reference site	CP-Algorithms Primality tests (একই page)	https://cp-algorithms.com/algebra/primality_tests.html	Problem 135-এর reference; আদালত analogy নিজের; deterministic base list common knowledge	inspired by source
Pollard Rho Intro (136)	Reference site	CP-Algorithms Integer factorization	https://cp-algorithms.com/algebra/factorization.html	Problem 136-এর reference; birthday intuition নিজের ভাষায়	inspired by source
Sieve Variants (137)	Reference site	CP-Algorithms Linear sieve	https://cp-algorithms.com/algebra/prime-sieve-linear.html	Problem 137-এর reference; SPF dry run নিজের	inspired by source
Segmented Sieve (138)	Reference site	CP-Algorithms Sieve of Eratosthenes	https://cp-algorithms.com/algebra/sieve-of-eratosthenes.html	Problem 138-এর reference; জানালা analogy নিজের	inspired by source
সিঁড়ি / ঘড়ি / gear box / আদালত analogies	This repo	concept-notes.md, visualization-ideas.md	./concept-notes.md	শেখানোর নিজস্ব framing	original explanation
Level 1-3 back links	This repo	gcd (018-019), binary expo (029), Fermat inverse (032), totient (023), sieve (015), IE (044)	../01-divisibility-prime-gcd-lcm/	Prerequisites আর "Inherits from" cross-reference	original explanation
Problem note template	This repo	math-problem-note-template.md	../../templates/math-problem-note-template.md	problems/README.md থেকে রেফার করা	original explanation