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Computer Science Competitions

Resources, study materials, and preparation guides for computer science competitions

Popular Computer Science Competitions

Explore the most prestigious computer science competitions and programming contests around the world

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International Olympiad in Informatics (IOI)

The premier international competition for high school computer science students, testing algorithmic problem-solving skills.

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USA Computing Olympiad (USACO)

National competition leading to the IOI, featuring challenging algorithmic problems and programming contests.

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Canadian Computing Competition (CCC)

Canada's premier computer science competition challenging students with algorithmic and programming problems.

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Key Study Topics

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Algorithms & Data Structures
Sorting, searching, graphs, trees, dynamic programming, and advanced algorithms
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Mathematics for CS
Combinatorics, number theory, probability, and discrete mathematics
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Problem Solving
Greedy algorithms, divide and conquer, backtracking, and optimization
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Graph Theory
Graph traversal, shortest paths, minimum spanning trees, and network flows
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String Algorithms
Pattern matching, string hashing, suffix arrays, and advanced string processing
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Computational Geometry
Convex hulls, line intersections, polygon algorithms, and geometric algorithms