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Computing & AI
Class 12

ICSE · Class 12 · Computer Science

Complexity and Big O Notation

Chapter 14Section C — Inheritance, Interface, Polymorphism, Data Structures, Computational ComplexityISC · Class XII · examination 2027

1 world · 1 lab for this chapter.

Topics

Complexity
- Input size and dominant term
- Best, average and worst cases
- Big O analysis of searching and sorting

Learning objectives

Estimate the Big O complexity of a given algorithm.

Worlds

Places to explore freely · 1 world

WorldAlgorithms & SortingSort face-down cards with every comparison counted, halve a blind shelf, race five sorts on the same numbers, break quicksort, hash cards onto shelves, run Dijkstra by hand, and paint a map where BFS wades through mud while A* barely looks

Labs

Fit this chapter · 1 lab

LabAlgorithm VisualizerSorting, searching

Practice

Questions for Class 12 Computer Science, with worked answers, on screen or as a printed paper.

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