Computational Thinking & Problem Solving

Before a single line of C++ is written, every good program starts as a clearly organised idea. This unit covers how programmers think through a problem — decomposition, pattern recognition, abstraction and algorithm design — and how that thinking turns into pseudocode, flowcharts and working C++ code.

What is Computational Thinking?

Computational thinking is the way of approaching a problem so that its solution can be carried out reliably, step by step — by a person, a team, or eventually a computer. It is the reasoning that happens before any code is typed. A programmer who is strong at C++ syntax but weak at computational thinking will still struggle to solve new problems, because the language is just the tool used to express a solution that computational thinking already worked out.

The Four Pillars

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