Practice with Codeforces Roadmap
Step by step guide to becoming an Android developer.
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1Foundations
Choose Programming Language (C++)
Big O Notation
Set Up Environment
2Newbie (Rating < 1200)
Basic Math & Number Theory
Brute Force Technique
Sorting & Greedy
Using Basic Data Structures
3Pupil (Rating 1200-1400)
Binary Search
Two Pointers Technique
DFS & BFS
Modulo Arithmetic
4Specialist (Rating 1400-1600)
Basic Dynamic Programming (DP)
Advanced Graph (Dijkstra, MST)
Tree Data Structures (BST, Heap)
Query Processing (Prefix Sums)
5Expert (Rating 1600-1900)
Advanced Dynamic Programming
Segment Tree & Fenwick Tree
Max Flow
Game Theory
6Candidate Master & Above (Rating 1900+)
Advanced String Algorithms
Computational Geometry
FFT & Polynomial Multiplication
Intensive Practice