PSeInt profile facet

These are the rules of the facet profile, explained simply, with an example that follows them and opens in Codoritmo with one click.

Open in Codoritmo with this profile

Opens this page's example with the facet profile already switched on.

How its author describes it

The profile's original text, in Spanish, as distributed with PSeInt.

Perfil para la Facultad de Ciencias Exactas y Tecnología de la Universidad Nacional de Tucuman (a cargo de la docente María Fernanda Guzmán, perfil enviado por Miguel Angel José Liezun).

In short

What changes compared with Codoritmo's default profile:

Every variable must be declared with Definir
Every variable needs a value before it is used
The Para counter is protected
No accents or ñ in variable names
Text can't be joined with +
Array sizes must be fixed numbers
No text functions such as Longitud or Subcadena

All of its rules

Marked rules differ from Codoritmo's default profile; everything else behaves the same.

Variables

How they are declared and when they can be used.

Declare variables with DefinirDiffers from default: Required. Before using a variable you must declare it with its type, for example Definir edad Como Entero. That includes the counter of every Para.
Give a value before useDiffers from default: Required. Reading a variable, or an array slot, that has no value yet stops the program with an error. That's why accumulators start with something like suma <- 0.
Protected Para counterDiffers from default: Inside a Para you can't change the counter, and once the loop ends the counter has no value, so don't use it afterwards.
Accents and ñ in namesDiffers from default: Not allowed in variable or subroutine names: write anio or posicion. Accented keywords such as Según still work.

Writing style

Punctuation, closing words and how values are assigned.

Semicolon at the end: Optional. You can end statements with ; or leave it out.
Relaxed syntax: Accepts handy variants: Fin Si as two words, optional Entonces and Hacer, Mientras Que and Desde in loops, and values in Escribir separated by spaces.
Assign with =: Not allowed: you assign only with <-; = is only for comparing.

Operators and conditions

How comparisons are written and text is put together.

Word operators: You can write Y, O, NO and MOD (and, or, not, remainder) as well as their symbols &, |, ~ and %.
Plain-language conditions: Accepts conditions such as x Es Par (is even), x Es Mayor Que 5 (is greater than 5) or x Es Divisible Por 3.
Join text with +Differs from default: Not allowed: to show several values together, separate them with commas in Escribir.

Arrays

Where indexes start and how the size is set.

First array index: Arrays start at 1: after Dimension notas[3] the slots are notas[1], notas[2] and notas[3].
Array size from a variableDiffers from default: Not allowed: the size in Dimension must be a fixed number, such as Dimension datos[10].
Resize arrays: You can change the size of an existing array with Redimensionar.

Loops and Segun

Which ways of repeating and choosing between cases it accepts.

Para Cada loop: Available: Para Cada nota de notas Hacer goes through every slot of an array.
Repetir … Mientras Que: A Repetir loop can end with Hasta Que condition (until) or Mientras Que condition (while).
Para counting down: If the start is greater than the end, Para counts down one by one even without Con Paso -1.
Segun with whole numbers: The value a Segun checks can also be text, with options such as "a".

Subroutines and text functions

Which extra tools you get to organise the program.

Your own subroutines and functions: You can write your own SubProceso or Funcion to split the program into parts.
Text functionsDiffers from default: Not available: this profile has no Longitud, Subcadena, Mayusculas, Minusculas or Concatenar.

An example that follows these rules

It works out the average of three marks. It's written for this profile, and the comments point out what changes compared with the default. We checked it with Codoritmo's interpreter using these same rules.

PerfilFacet.psc · 35 lines

1// Example written with the rules of the facet profile2Algoritmo PerfilFacet3    // This profile requires every variable to be declared with Definir4    // Variable names have no accents or ñ5    Definir notas, suma, i Como Entero6    Definir promedio Como Real7    Definir nombre Como Caracter8    // The array size must be a fixed number9    Dimension notas[3]10    notas[1] <- 811    notas[2] <- 912    notas[3] <- 713    // Every variable needs a value before it is used14    suma <- 015    Para i <- 1 Hasta 3 Hacer16        // Inside the Para you can't change i17        suma <- suma + notas[i]18    FinPara19    promedio <- suma / 320    nombre <- "Ana"21    // + doesn't join text: Escribir separates values with commas22    Escribir "Hi, ", nombre23    Escribir "Average: ", promedio24    Si promedio >= 7 Y promedio <= 10 Entonces25        Escribir "Passed"26    SiNo27        Escribir "Failed"28    FinSi29    Si suma Es Par Entonces30        Escribir "The sum is even: ", suma31    SiNo32        Escribir "The sum is odd: ", suma33    FinSi34    // Longitud, Mayusculas and the other text functions aren't available35FinAlgoritmo

What it prints

This is the example's real output, run with the facet profile.

Hi, Ana
Average: 8
Passed
The sum is even: 24

Open in Codoritmo with this profile

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