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- The TPK algorithm is a simple program introduced by Donald Knuth and to illustrate the evolution of computer programming languages. In their 1977 work "The Early Development of Programming Languages", Trabb Pardo and Knuth introduced a small program that involved arrays, indexing, mathematical functions, subroutines, I/O, conditionals and iteration. They then wrote implementations of the algorithm in several early programming languages to show how such concepts were expressed. To explain the name "TPK", the authors referred to Grimm's law (which concerns the consonants 't', 'p', and 'k'), the sounds in the word "typical", and their own initials (Trabb Pardo and Knuth). In a talk based on the paper, Knuth said: You can only appreciate how deep the subject is by seeing how good people struggled with it and how the ideas emerged one at a time. In order to study this—Luis I think was the main instigator of this idea—we take one program—one algorithm—and we write it in every language. And that way from one example we can quickly psych out the flavor of that particular language. We call this the TPK program, and well, the fact that it has the initials of Trabb Pardo and Knuth is just a funny coincidence. (en)
- O algoritmo de Trabb Pardo-Knuth, também conhecido como algoritmo TPK, é um programa introduzido por Donald Knuth e Luis Trabb Pardo para ilustrar a evolução das linguagens de programação. Em seu trabalho de 1977 "The Early Development of Programming Languages", Trabb Pardo e Knuth introduziram um programa simples que envolvia arrays, índices, funções matemáticas, sub-rotinas, Entrada/saída, condicionais e iteração. Eles então escreveram implementações do algoritmo em algumas linguagens da época para demonstrar como tais conceitos eram expressados. O programa Olá Mundo tem sido usado para o mesmo propósito. (pt)
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- The TPK algorithm is a simple program introduced by Donald Knuth and to illustrate the evolution of computer programming languages. In their 1977 work "The Early Development of Programming Languages", Trabb Pardo and Knuth introduced a small program that involved arrays, indexing, mathematical functions, subroutines, I/O, conditionals and iteration. They then wrote implementations of the algorithm in several early programming languages to show how such concepts were expressed. (en)
- O algoritmo de Trabb Pardo-Knuth, também conhecido como algoritmo TPK, é um programa introduzido por Donald Knuth e Luis Trabb Pardo para ilustrar a evolução das linguagens de programação. Em seu trabalho de 1977 "The Early Development of Programming Languages", Trabb Pardo e Knuth introduziram um programa simples que envolvia arrays, índices, funções matemáticas, sub-rotinas, Entrada/saída, condicionais e iteração. Eles então escreveram implementações do algoritmo em algumas linguagens da época para demonstrar como tais conceitos eram expressados. (pt)
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- TPK algorithm (en)
- Algoritmo de Trabb Pardo-Knuth (pt)
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