ZIO Syllabus 2027 — every subject & topic

ZIO syllabus: 3 subjects (Algorithmic Problem Solving, Combinatorics and Discrete Mathematics, Ad-Hoc Problem Patterns) and 26 topics. Official syllabus and notification: iarcs.org.in.

The complete Zonal Informatics Olympiad syllabus: 3 subjects, 26 topics. Study notes for this exam are not published yet; every topic is listed so you can see the whole syllabus. Practise by topic in a topic-wise mock →

Check the official syllabus / notification — Indian Association for Research in Computing Science (IARCS) ↗

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Algorithmic Problem Solving

Introduction to Algorithms
Measuring Algorithm Efficiency
Searching
Sorting
Recursion
Dynamic Programming Intuition
Greedy Algorithms
Basic Graph Concepts
Graph Traversal
Shortest Paths
Trees
Basic Data Structures
Simulation
Invariants and Monovariants
Case Analysis

Combinatorics and Discrete Mathematics

Counting Principles
Pigeonhole Principle
Parity and Modular Reasoning
Elementary Number Theory
Combinatorial Games
Sets and Logic

Ad-Hoc Problem Patterns

Constructive Problems
Optimisation Puzzles
Scheduling and Ordering
Grid and Geometry Puzzles
Three Concrete Inputs Format

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