2017年4月6日木曜日

開発環境

Think Perl 6: How to Think Like a Computer Scientist (Laurent Rosenfeld(著)、Allen B. Downey(著)、Oreilly & Associates Inc)のPart 1(Starting with the basics)、Chapter 5(Fruitful subroutines)の Exercise 5-5.を取り組んでみる。

Exercise 5-5.

コード(Emacs)

#!/usr/bin/env perl6
# -*- coding: utf-8 -*-

sub gcd($a, $b) {
    return $a if $b == 0;
    gcd($b, $a % $b);
}

for 1..10 -> $a {
    for 1..10 -> $b {
        say "gcd($a, $b) = ", gcd($a, $b);
    }
}

入出力結果(Terminal, REPL)

$ ./sample5.pl
gcd(1, 1) = 1
gcd(1, 2) = 1
gcd(1, 3) = 1
gcd(1, 4) = 1
gcd(1, 5) = 1
gcd(1, 6) = 1
gcd(1, 7) = 1
gcd(1, 8) = 1
gcd(1, 9) = 1
gcd(1, 10) = 1
gcd(2, 1) = 1
gcd(2, 2) = 2
gcd(2, 3) = 1
gcd(2, 4) = 2
gcd(2, 5) = 1
gcd(2, 6) = 2
gcd(2, 7) = 1
gcd(2, 8) = 2
gcd(2, 9) = 1
gcd(2, 10) = 2
gcd(3, 1) = 1
gcd(3, 2) = 1
gcd(3, 3) = 3
gcd(3, 4) = 1
gcd(3, 5) = 1
gcd(3, 6) = 3
gcd(3, 7) = 1
gcd(3, 8) = 1
gcd(3, 9) = 3
gcd(3, 10) = 1
gcd(4, 1) = 1
gcd(4, 2) = 2
gcd(4, 3) = 1
gcd(4, 4) = 4
gcd(4, 5) = 1
gcd(4, 6) = 2
gcd(4, 7) = 1
gcd(4, 8) = 4
gcd(4, 9) = 1
gcd(4, 10) = 2
gcd(5, 1) = 1
gcd(5, 2) = 1
gcd(5, 3) = 1
gcd(5, 4) = 1
gcd(5, 5) = 5
gcd(5, 6) = 1
gcd(5, 7) = 1
gcd(5, 8) = 1
gcd(5, 9) = 1
gcd(5, 10) = 5
gcd(6, 1) = 1
gcd(6, 2) = 2
gcd(6, 3) = 3
gcd(6, 4) = 2
gcd(6, 5) = 1
gcd(6, 6) = 6
gcd(6, 7) = 1
gcd(6, 8) = 2
gcd(6, 9) = 3
gcd(6, 10) = 2
gcd(7, 1) = 1
gcd(7, 2) = 1
gcd(7, 3) = 1
gcd(7, 4) = 1
gcd(7, 5) = 1
gcd(7, 6) = 1
gcd(7, 7) = 7
gcd(7, 8) = 1
gcd(7, 9) = 1
gcd(7, 10) = 1
gcd(8, 1) = 1
gcd(8, 2) = 2
gcd(8, 3) = 1
gcd(8, 4) = 4
gcd(8, 5) = 1
gcd(8, 6) = 2
gcd(8, 7) = 1
gcd(8, 8) = 8
gcd(8, 9) = 1
gcd(8, 10) = 2
gcd(9, 1) = 1
gcd(9, 2) = 1
gcd(9, 3) = 3
gcd(9, 4) = 1
gcd(9, 5) = 1
gcd(9, 6) = 3
gcd(9, 7) = 1
gcd(9, 8) = 1
gcd(9, 9) = 9
gcd(9, 10) = 1
gcd(10, 1) = 1
gcd(10, 2) = 2
gcd(10, 3) = 1
gcd(10, 4) = 2
gcd(10, 5) = 5
gcd(10, 6) = 2
gcd(10, 7) = 1
gcd(10, 8) = 2
gcd(10, 9) = 1
gcd(10, 10) = 10
$

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