Using Pseudo-code to Solve Problems

Using Pseudo-code to Solve Problems Madinakhon Rakhmonova 1 2 Computational problems A computational problem specifies an input-output relationship What does the input look like? What should the output be for each input? Example: Input: an integer number n Output: Is the number prime? Example: Input: A list of names of people Output: The same list sorted alphabetically 3 Algorithms A tool for solving a well-specified computational problem Algorithms must be: Correct: For each input produce an appropriate output Efficient: run as quickly as possible, and use as little memory as possible – more about this later Algorithm Input Output 4 Algorithms Cont. A well-defined computational procedure that takes some value, or set of values, as input and produces some value, or set of values, as output

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