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IOI Algorithms Course

Win the International Olympiad in Informatics (IOI) by mastering data structures and algorithms with expert teachers

Grade

9-12

Lessons

120+

Activities

200+

What is International Olympiad in Informatics?

The International Olympiad in Informatics (IOI) is the world’s most prestigious computer science competition for secondary school students.

Why learn data structures and algorithms?

The IOI is all about data structures and algorithms. Learning data structures and algorithms helps you get better at solving complex problems and win the IOI.

Why you need expert teachers to win the IOI

Teaching data structures and algorithms requires highly specialized skills. All our IOI teachers have extensive experience and are experts in the domain.

Benefits of learning data structures and algorithms

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Solve complex programming challenges

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Learn to write clean, effective, and highly optimized code

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Win coding competitions including the IOI

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Start your journey to become a data scientist

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Pathway to career in software engineering

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Ace interviews with top-notch companies

Master data structures and algorithms

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Learn the basics of data structures and algorithms (DSA), master algorithmic programming techniques, and apply your newly-learned skills to win the IOI

what kids will learn from this course

What you’ll learn

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Algorithms, data structures basics

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Numbers and mathematics

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Recursion, arrays, graphs

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Binary search trees

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Heap, hashing

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Searching and sorting algorithms

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Backtracking, greedy algorithms

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Dynamic programming

what you gain from this course

Skills you’ll gain

Algorithmic skills, techniques

Algorithmic skills, techniques

Data structure skills, techniques

Data structure skills, techniques

Computational thinking

Computational thinking

Problem solving

Problem solving

Competitive coding skills

Competitive coding skills

Python development

Python development

what kids achive by learning this coding courses

What you’ll achieve

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IOI Algorithms Certification

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Python Developer Certification

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Coding Champion Certification

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Badges and leaderboard rankings

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Preparation for competitions

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Lifetime community access

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Downloadable resources

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Exclusive access to competitions

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Activities to master data structures and algorithms

Two odd occurring numbers

If you are given a list of numbers in which all numbers occur at even times except two, write a program to find those two numbers.

Generate all substrings of a given string

Write a program that generates all the possible substrings from any string entered by the user.

Swap 2 numbers without using 3rd variable.

Swap two numbers without using third variable

Write a program to swap two numbers without using a third variable using Bitwise operators.

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Hear what the winners have to say

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I always enjoy Codingal competitions as the increasing difficulty levels as we progress make it so much more exciting.

Mohit Hulse

CodeWars Winner, Grade 11

Image Codingal Reviews by student

Codingal gave me the once-in-a-lifetime experience of seeing my code run on the International Space Station.

Siddhant

HPE CodeWars Winner, Grade 10

Image Codingal Reviews by - Swastik

I won the HPE CodeWars competition and got the opportunity to run an experiment on the ISS thanks to Codingal.

Swastik

HPE CodeWars Winner, Grade 12

Image Codingal Reviews by - Sushil Raaja U

As a student preparing for the IOI, Codingal has helped me greatly improve my problem solving and algorithmic thinking.

Sushil Raaja U

Code Battle #1 Winner, Grade 11

Image Codingal Reviews by - Sushil Raaja U

The algorithmic problems in Codingal's competitions are super intriguing and I always get to learn something new.

Aarav Eeshan

Code Battle Winner, Grade 11