چند فایل آموزشی اس‌سی‌ام

C++ STL (vectors, lists, sets, maps, pairs) and algorithms.

Part 1, Part 2, and Part 3.

Graph algorithms (BFS, colored DFS, shotest paths, union/find, spanning trees, Euler paths, flow and matching).

Part 1, Part 2, Part 3, Part 4, and Part 5.

Classroom DP and memoization (including bitset DP).

Part 1, Part 2, and Part 3.

Brute force tricks (Backtracking, branch and bound, iterative deepening, bidirectional search). 

Part 1, Part 2, and Part 3.