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Program code can also be used to create an algorithm. In this context it is called draft program code. There is no requirement for an algorithm to compile and run so errors are acceptable so long as the meaning is clear.

Designing an algorithm using program code has the following advantages:

• program code is very familiar
• the syntax doesn’t have to be completely correct
• all the possible elements required will be present in the language - unlike pseudo-code

Program code algorithms also have their disadvantages:

• it is possible for the whole design stage of creating an algorithm to be missed
• decomposition might not have been completed