From 786579fc8f23db25a7c8de1b2d420cf357d25c7b Mon Sep 17 00:00:00 2001
From: Paulo Custodio <pauloscustodio@gmail.com>
Date: Thu, 24 Jun 2021 19:55:43 +0100
Subject: Add bc solution to challenge 009

---
 challenge-009/paulo-custodio/bc/ch-1.bc    | 31 ++++++++++++++++++++++++++++
 challenge-009/paulo-custodio/t/test-1.yaml | 25 ++++++++++++++++++++++
 challenge-009/paulo-custodio/t/test-2.yaml |  9 ++++++++
 challenge-009/paulo-custodio/test.pl       | 33 +++---------------------------
 4 files changed, 68 insertions(+), 30 deletions(-)
 create mode 100644 challenge-009/paulo-custodio/bc/ch-1.bc
 create mode 100644 challenge-009/paulo-custodio/t/test-1.yaml
 create mode 100644 challenge-009/paulo-custodio/t/test-2.yaml

diff --git a/challenge-009/paulo-custodio/bc/ch-1.bc b/challenge-009/paulo-custodio/bc/ch-1.bc
new file mode 100644
index 0000000000..0449047840
--- /dev/null
+++ b/challenge-009/paulo-custodio/bc/ch-1.bc
@@ -0,0 +1,31 @@
+#!/usr/bin/bc -ql
+
+/*
+Challenge 009
+
+Challenge #1
+Write a script that finds the first square number that has at least 5 distinct
+digits. This was proposed by Laurent Rosenfeld.
+*/
+
+scale = 0
+num = read()
+
+define num_diff_digits(n) {
+    auto digit, digits[], i, sum
+    while (n > 0) {
+        digit = n % 10
+        n /= 10
+        digits[digit] = 1
+    }
+    sum = 0
+    for (i = 0; i < 10; i++)
+        sum += digits[i]
+    return sum;
+}
+
+n = 1
+while (num_diff_digits(n*n) < num)
+    n = n+1
+n*n
+quit
diff --git a/challenge-009/paulo-custodio/t/test-1.yaml b/challenge-009/paulo-custodio/t/test-1.yaml
new file mode 100644
index 0000000000..0e7966c514
--- /dev/null
+++ b/challenge-009/paulo-custodio/t/test-1.yaml
@@ -0,0 +1,25 @@
+- setup:
+  cleanup:
+  args:     1
+  input:
+  output:   1
+- setup:
+  cleanup:
+  args:     2
+  input:
+  output:   16
+- setup:
+  cleanup:
+  args:     3
+  input:
+  output:   169
+- setup:
+  cleanup:
+  args:     4
+  input:
+  output:   1024
+- setup:
+  cleanup:
+  args:     5
+  input:
+  output:   12769
diff --git a/challenge-009/paulo-custodio/t/test-2.yaml b/challenge-009/paulo-custodio/t/test-2.yaml
new file mode 100644
index 0000000000..06e3445fb4
--- /dev/null
+++ b/challenge-009/paulo-custodio/t/test-2.yaml
@@ -0,0 +1,9 @@
+- setup:
+  cleanup:
+  args:     2 3 1 4 2 2 1 0
+  input:
+  output:   |
+            |Data:             2, 3, 1, 4, 2, 2, 1, 0
+            |Standard ranking: 3, 2, 6, 1, 3, 3, 6, 8
+            |Modified ranking: 5, 2, 7, 1, 5, 5, 7, 8
+            |Dense ranking:    3, 2, 4, 1, 3, 3, 4, 5
diff --git a/challenge-009/paulo-custodio/test.pl b/challenge-009/paulo-custodio/test.pl
index c5275ed8f4..ba6c37260b 100644
--- a/challenge-009/paulo-custodio/test.pl
+++ b/challenge-009/paulo-custodio/test.pl
@@ -1,31 +1,4 @@
-#!/usr/bin/perl
-
-use strict;
-use warnings;
-use 5.030;
+#!/usr/bin/env perl
+use Modern::Perl;
 use Test::More;
-
-is capture("perl perl/ch-1.pl 1"), "1\n";
-is capture("perl perl/ch-1.pl 2"), "16\n";
-is capture("perl perl/ch-1.pl 3"), "169\n";
-is capture("perl perl/ch-1.pl 4"), "1024\n";
-is capture("perl perl/ch-1.pl 5"), "12769\n";
-
-
-is capture("perl perl/ch-2.pl 2 3 1 4 2 2 1 0"), <<END;
-Data:             2, 3, 1, 4, 2, 2, 1, 0
-Standard ranking: 3, 2, 6, 1, 3, 3, 6, 8
-Modified ranking: 5, 2, 7, 1, 5, 5, 7, 8
-Dense ranking:    3, 2, 4, 1, 3, 3, 4, 5
-END
-
-
-done_testing;
-
-
-sub capture {
-    my($cmd) = @_;
-    my $out = `$cmd`;
-    $out =~ s/[ \r\t]*\n/\n/g;
-    return $out;
-}
+require '../../challenge-001/paulo-custodio/test.pl';
-- 
cgit