Definition of algorithm



Algorithm: In computer science a algorithm is a set of instructions for solving a problem step by step.

Definition of the goal: For solve a problem, for example, count people in a room.

Pseudo code: Is a program language.

Definition of variable: You must to select a variable, for example a letter.

Definition of loop: A sequenst of steps that will repeat some numbers of time.

How to make a algorithm: We count people in a room,  you must to select a default variable (n=0)   than for each person in the room, increment by 1 person.If are two persons, in the first trip increment 1 and in the next trip, increment 1 and we have 2, and so, by these algorithm end in 2.

testing algorithm : if you will count people in a room, and in these room are 5 people, the result of the algorithm is 5. If are other result, the algorithm is wrong.

we test corner case: when in a room are 0 people, the line 3 doesn't execute and the result is 0.
Definition of branch: Is a extra line that you use when is a extra person.

And that is the Definition of a Algorithm.

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