RogerBW solutions for challenge no. 250

21 files changed, 659 insertions, 0 deletions

diff --git a/challenge-250/roger-bell-west/javascript/ch-1.js b/challenge-250/roger-bell-west/javascript/ch-1.js
new file mode 100755
index 0000000000..7d2657a29c
--- /dev/null
+++ b/challenge-250/roger-bell-west/javascript/ch-1.js
@@ -0,0 +1,32 @@
+#! /usr/bin/node
+
+"use strict"
+
+function smallestindex(a) {
+    let r = -1;
+    a.forEach((n, i) => {
+        if (r == -1 && n % 10 == i) {
+            r = i;
+        }
+    })
+    return r;
+}
+
+if (smallestindex([0, 1, 2]) == 0) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (smallestindex([4, 3, 2, 1]) == 2) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (smallestindex([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]) == -1) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");
diff --git a/challenge-250/roger-bell-west/javascript/ch-2.js b/challenge-250/roger-bell-west/javascript/ch-2.js
new file mode 100755
index 0000000000..7228225e74
--- /dev/null
+++ b/challenge-250/roger-bell-west/javascript/ch-2.js
@@ -0,0 +1,28 @@
+#! /usr/bin/node
+
+"use strict"
+
+function alphanumericstringvalue(a) {
+    let l = [];
+    for (let n of a) {
+        let p = 1 * n;
+        if (Number.isNaN(p)) {
+            p = n.length;
+        }
+        l.push(p);
+    }
+    return Math.max(...l);
+}
+
+if (alphanumericstringvalue(['perl', "2", "000", 'python', 'raku']) == 6) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (alphanumericstringvalue(["001", "1", "000", "0001"]) == 1) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");
diff --git a/challenge-250/roger-bell-west/kotlin/ch-1.kt b/challenge-250/roger-bell-west/kotlin/ch-1.kt
new file mode 100644
index 0000000000..67da365163
--- /dev/null
+++ b/challenge-250/roger-bell-west/kotlin/ch-1.kt
@@ -0,0 +1,31 @@
+fun smallestindex(a: List<Int>): Int {
+    a.forEachIndexed {i, n ->
+                          if (n % 10 == i) {
+                              return i
+                          }
+    }
+    return -1
+}
+
+fun main() {
+
+    if (smallestindex(listOf(0, 1, 2)) == 0) {
+        print("Pass")
+    } else {
+        print("Fail")
+    }
+    print(" ")
+    if (smallestindex(listOf(4, 3, 2, 1)) == 2) {
+        print("Pass")
+    } else {
+        print("Fail")
+    }
+    print(" ")
+    if (smallestindex(listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 0)) == -1) {
+        print("Pass")
+    } else {
+        print("Fail")
+    }
+    println("")
+
+}
diff --git a/challenge-250/roger-bell-west/kotlin/ch-2.kt b/challenge-250/roger-bell-west/kotlin/ch-2.kt
new file mode 100644
index 0000000000..aa7d5368a7
--- /dev/null
+++ b/challenge-250/roger-bell-west/kotlin/ch-2.kt
@@ -0,0 +1,27 @@
+import kotlin.math.max
+
+fun alphanumericstringvalue(a: List<String>): Int {
+    var l = ArrayList<Int>()
+    for (n in a) {
+        val p: Int? = try { n.toInt() } catch (e: NumberFormatException) { n.length }
+        l.add(p!!)
+    }
+    return l.maxOrNull()!!
+}
+
+fun main() {
+
+    if (alphanumericstringvalue(listOf("perl", "2", "000", "python", "raku")) == 6) {
+        print("Pass")
+    } else {
+        print("Fail")
+    }
+    print(" ")
+    if (alphanumericstringvalue(listOf("001", "1", "000", "0001")) == 1) {
+        print("Pass")
+    } else {
+        print("Fail")
+    }
+    println("")
+
+}
diff --git a/challenge-250/roger-bell-west/lua/ch-1.lua b/challenge-250/roger-bell-west/lua/ch-1.lua
new file mode 100755
index 0000000000..adb48b9a25
--- /dev/null
+++ b/challenge-250/roger-bell-west/lua/ch-1.lua
@@ -0,0 +1,33 @@
+#! /usr/bin/lua
+
+function smallestindex(a)
+   for i, n in ipairs(a) do
+      local j = i - 1;
+      if n % 10 == j then
+         return j
+      end
+   end
+   return -1
+end
+
+if smallestindex({0, 1, 2}) == 0 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+io.write(" ")
+
+if smallestindex({4, 3, 2, 1}) == 2 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+io.write(" ")
+
+if smallestindex({1, 2, 3, 4, 5, 6, 7, 8, 9, 0}) == -1 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+print("")
+
diff --git a/challenge-250/roger-bell-west/lua/ch-2.lua b/challenge-250/roger-bell-west/lua/ch-2.lua
new file mode 100755
index 0000000000..bb2ad72473
--- /dev/null
+++ b/challenge-250/roger-bell-west/lua/ch-2.lua
@@ -0,0 +1,28 @@
+#! /usr/bin/lua
+
+function alphanumericstringvalue(a)
+   local l = {}
+   for _i, n in ipairs(a) do
+      local p = tonumber(n)
+      if p == nil then
+         p = #n
+      end
+      table.insert(l, p)
+   end
+   return math.max(table.unpack(l))
+end
+
+if alphanumericstringvalue({"perl", "2", "000", "python", "raku"}) == 6 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+io.write(" ")
+
+if alphanumericstringvalue({"001", "1", "000", "0001"}) == 1 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+print("")
+
diff --git a/challenge-250/roger-bell-west/perl/ch-1.pl b/challenge-250/roger-bell-west/perl/ch-1.pl
new file mode 100755
index 0000000000..c20cc81a36
--- /dev/null
+++ b/challenge-250/roger-bell-west/perl/ch-1.pl
@@ -0,0 +1,20 @@
+#! /usr/bin/perl
+
+use strict;
+use warnings;
+use experimental 'signatures';
+
+use Test::More tests => 3;
+
+is(smallestindex([0, 1, 2]), 0, 'example 1');
+is(smallestindex([4, 3, 2, 1]), 2, 'example 2');
+is(smallestindex([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]), -1, 'example 3');
+
+sub smallestindex($a) {
+  foreach my $i (0 .. $#{$a}) {
+    if ($a->[$i] % 10 == $i) {
+      return $i;
+    }
+  }
+  return -1;
+}
diff --git a/challenge-250/roger-bell-west/perl/ch-2.pl b/challenge-250/roger-bell-west/perl/ch-2.pl
new file mode 100755
index 0000000000..1ea57e8dea
--- /dev/null
+++ b/challenge-250/roger-bell-west/perl/ch-2.pl
@@ -0,0 +1,24 @@
+#! /usr/bin/perl
+
+use strict;
+use warnings;
+use experimental 'signatures';
+
+use Test::More tests => 2;
+
+is(alphanumericstringvalue(['perl', 2, 000, 'python', 'raku']), 6, 'example 1');
+is(alphanumericstringvalue([001, 1, 000, 0001]), 1, 'example 2');
+
+use List::Util qw(max);
+
+sub alphanumericstringvalue($a) {
+  my @l;
+  foreach my $n (@{$a}) {
+    if ($n =~ /^[0-9]+$/) {
+      push @l, 0 + $n;
+    } else {
+      push @l, length($n);
+    }
+  }
+  return max(@l);
+}
diff --git a/challenge-250/roger-bell-west/postscript/ch-1.ps b/challenge-250/roger-bell-west/postscript/ch-1.ps
new file mode 100644
index 0000000000..e5f3194b8f
--- /dev/null
+++ b/challenge-250/roger-bell-west/postscript/ch-1.ps
@@ -0,0 +1,69 @@
+%!PS
+
+% begin included library code
+% see https://codeberg.org/Firedrake/postscript-libraries/
+/test {
+    /test.count test.count 1 add def
+    {
+        /test.pass test.pass 1 add def
+    } {
+        ( ) print
+        test.count (....) cvs print
+        (-fail) print
+    } ifelse
+} bind def
+
+/enumerate.array {
+    1 dict begin
+    /a exch def
+    [
+      0 1 a length 1 sub {
+          [ exch dup a exch get ]
+      } for
+    ]
+    end
+} bind def
+
+/test.start {
+    print (:) print
+    /test.pass 0 def
+    /test.count 0 def
+} bind def
+
+/test.end {
+    ( ) print
+    test.count 0 gt {
+        (Passed ) print
+        test.pass (...) cvs print
+        (/) print
+        test.count (...) cvs print
+        ( \() print
+        test.pass 100 mul test.count idiv (...) cvs print
+        (%\)) print
+        (\r\n) print
+    } if
+} bind def
+
+
+% end included library code
+
+/smallestindex {
+    0 dict begin
+    /a exch def
+    -1
+    a enumerate.array {
+        aload pop
+        /i exch def
+        10 mod i eq {
+            pop i
+            exit
+        } if
+    } forall
+    end
+} bind def
+
+(smallestindex) test.start
+[0 1 2] smallestindex 0 eq test
+[4 3 2 1] smallestindex 2 eq test
+[1 2 3 4 5 6 7 8 9 0] smallestindex -1 eq test
+test.end
diff --git a/challenge-250/roger-bell-west/postscript/ch-2.ps b/challenge-250/roger-bell-west/postscript/ch-2.ps
new file mode 100644
index 0000000000..6500d56830
--- /dev/null
+++ b/challenge-250/roger-bell-west/postscript/ch-2.ps
@@ -0,0 +1,71 @@
+%!PS
+
+% begin included library code
+% see https://codeberg.org/Firedrake/postscript-libraries/
+/test {
+    /test.count test.count 1 add def
+    {
+        /test.pass test.pass 1 add def
+    } {
+        ( ) print
+        test.count (....) cvs print
+        (-fail) print
+    } ifelse
+} bind def
+
+/listmax {
+    { max } reduce
+} bind def
+
+/reduce { % array proc -> value
+    2 dict begin
+    /p exch def
+    /a exch def
+    a 0 get
+    1 1 a length 1 sub {
+        a exch get
+        p
+    } for
+    end
+} bind def
+
+/test.end {
+    ( ) print
+    test.count 0 gt {
+        (Passed ) print
+        test.pass (...) cvs print
+        (/) print
+        test.count (...) cvs print
+        ( \() print
+        test.pass 100 mul test.count idiv (...) cvs print
+        (%\)) print
+        (\r\n) print
+    } if
+} bind def
+
+/test.start {
+    print (:) print
+    /test.pass 0 def
+    /test.count 0 def
+} bind def
+
+
+% end included library code
+
+/alphanumericstringvalue {
+    [ exch
+        {
+            {
+                cvi
+            } stopped {
+                length
+            } if
+        } forall
+    ]
+    listmax
+} bind def
+
+(alphanumericstringvalue) test.start
+[(perl) (2) (000) (python) (raku)] alphanumericstringvalue 6 eq test
+[(001) (1) (000) (0001)] alphanumericstringvalue 1 eq test
+test.end
diff --git a/challenge-250/roger-bell-west/python/ch-1.py b/challenge-250/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..b93676aeb8
--- /dev/null
+++ b/challenge-250/roger-bell-west/python/ch-1.py
@@ -0,0 +1,22 @@
+#! /usr/bin/python3
+
+def smallestindex(a):
+  for i, n in enumerate(a):
+    if n % 10 == i:
+      return i
+  return -1
+
+import unittest
+
+class TestSmallestindex(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(smallestindex([0, 1, 2]), 0, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(smallestindex([4, 3, 2, 1]), 2, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(smallestindex([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]), -1, 'example 3')
+
+unittest.main()
diff --git a/challenge-250/roger-bell-west/python/ch-2.py b/challenge-250/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..144109ba57
--- /dev/null
+++ b/challenge-250/roger-bell-west/python/ch-2.py
@@ -0,0 +1,24 @@
+#! /usr/bin/python3
+
+def alphanumericstringvalue(a):
+  l = []
+  for n in a:
+    p = 0
+    try:
+      p = int(n)
+    except:
+      p = len(n)
+    l.append(p)
+  return max(l)
+
+import unittest
+
+class TestAlphanumericstringvalue(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(alphanumericstringvalue(["perl", "2", "000", "python", "raku"]), 6, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(alphanumericstringvalue(["001", "1", "000", "0001"]), 1, 'example 2')
+
+unittest.main()
diff --git a/challenge-250/roger-bell-west/raku/ch-1.p6 b/challenge-250/roger-bell-west/raku/ch-1.p6
new file mode 100755
index 0000000000..cb4fb5821b
--- /dev/null
+++ b/challenge-250/roger-bell-west/raku/ch-1.p6
@@ -0,0 +1,18 @@
+#! /usr/bin/raku
+
+use Test;
+
+plan 3;
+
+is(smallestindex([0, 1, 2]), 0, 'example 1');
+is(smallestindex([4, 3, 2, 1]), 2, 'example 2');
+is(smallestindex([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]), -1, 'example 3');
+
+sub smallestindex(@a) {
+    for 0 .. @a.end -> $i {
+        if (@a[$i] % 10 == $i) {
+            return $i;
+        }
+    }
+    return -1;
+}
diff --git a/challenge-250/roger-bell-west/raku/ch-2.p6 b/challenge-250/roger-bell-west/raku/ch-2.p6
new file mode 100755
index 0000000000..a20a4a45aa
--- /dev/null
+++ b/challenge-250/roger-bell-west/raku/ch-2.p6
@@ -0,0 +1,20 @@
+#! /usr/bin/raku
+
+use Test;
+
+plan 2;
+
+is(alphanumericstringvalue(['perl', "2", "000", 'python', 'raku']), 6, 'example 1');
+is(alphanumericstringvalue(["001", "1", "000", "0001"]), 1, 'example 2');
+
+sub alphanumericstringvalue(@a) {
+  my @l;
+  for @a -> $n {
+    if ($n ~~ /^\d+$/) {
+      push @l, 0 + $n;
+    } else {
+      push @l, $n.chars;
+    }
+  }
+  return @l.max;
+}
diff --git a/challenge-250/roger-bell-west/ruby/ch-1.rb b/challenge-250/roger-bell-west/ruby/ch-1.rb
new file mode 100755
index 0000000000..551489b802
--- /dev/null
+++ b/challenge-250/roger-bell-west/ruby/ch-1.rb
@@ -0,0 +1,28 @@
+#! /usr/bin/ruby
+
+def smallestindex(a)
+  a.each_with_index do |n, i|
+    if n % 10 == i then
+      return i
+    end
+  end
+  return -1
+end
+
+require 'test/unit'
+
+class TestSmallestindex < Test::Unit::TestCase
+
+  def test_ex1
+    assert_equal(0, smallestindex([0, 1, 2]))
+  end
+
+  def test_ex2
+    assert_equal(2, smallestindex([4, 3, 2, 1]))
+  end
+
+  def test_ex3
+    assert_equal(-1, smallestindex([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]))
+  end
+
+end
diff --git a/challenge-250/roger-bell-west/ruby/ch-2.rb b/challenge-250/roger-bell-west/ruby/ch-2.rb
new file mode 100755
index 0000000000..bcc0f3529a
--- /dev/null
+++ b/challenge-250/roger-bell-west/ruby/ch-2.rb
@@ -0,0 +1,27 @@
+#! /usr/bin/ruby
+
+def alphanumericstringvalue(a)
+  l = []
+  a.each do |n|
+    begin
+      l.push(Integer(n))
+    rescue ArgumentError
+      l.push(n.length)
+    end
+  end
+  return l.max()
+end
+
+require 'test/unit'
+
+class TestAlphanumericstringvalue < Test::Unit::TestCase
+
+  def test_ex1
+    assert_equal(6, alphanumericstringvalue(['perl', 2, 000, 'python', 'raku']))
+  end
+
+  def test_ex2
+    assert_equal(1, alphanumericstringvalue([001, 1, 000, 0001]))
+  end
+
+end
diff --git a/challenge-250/roger-bell-west/rust/ch-1.rs b/challenge-250/roger-bell-west/rust/ch-1.rs
new file mode 100755
index 0000000000..4e6312c67c
--- /dev/null
+++ b/challenge-250/roger-bell-west/rust/ch-1.rs
@@ -0,0 +1,27 @@
+#! /bin/sh
+//usr/bin/env rustc --test $0 -o ${0}x && ./${0}x --nocapture; rm -f ${0}x ; exit
+
+#[test]
+fn test_ex1() {
+    assert_eq!(smallestindex(vec![0, 1, 2]), 0);
+}
+
+#[test]
+fn test_ex2() {
+    assert_eq!(smallestindex(vec![4, 3, 2, 1]), 2);
+}
+
+#[test]
+fn test_ex3() {
+    assert_eq!(smallestindex(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 0]), -1);
+}
+
+fn smallestindex(a: Vec<i32>) -> i32 {
+    for (ii, n) in a.iter().enumerate() {
+        let i = ii as i32;
+        if n % 10 == i {
+            return i;
+        }
+    }
+    -1
+}
diff --git a/challenge-250/roger-bell-west/rust/ch-2.rs b/challenge-250/roger-bell-west/rust/ch-2.rs
new file mode 100755
index 0000000000..58f8c58d88
--- /dev/null
+++ b/challenge-250/roger-bell-west/rust/ch-2.rs
@@ -0,0 +1,24 @@
+#! /bin/sh
+//usr/bin/env rustc --test $0 -o ${0}x && ./${0}x --nocapture; rm -f ${0}x ; exit
+
+#[test]
+fn test_ex1() {
+    assert_eq!(alphanumericstringvalue(vec!["perl", "2", "000", "python", "raku"]), 6);
+}
+
+#[test]
+fn test_ex2() {
+    assert_eq!(alphanumericstringvalue(vec!["001", "1", "000", "0001"]), 1);
+}
+
+fn alphanumericstringvalue(a: Vec<&str>) -> u32 {
+    let mut l: Vec<u32> = Vec::new();
+    for n in a {
+        let mut p = n.len() as u32;
+        if let Ok(k) = n.parse::<u32>() {
+            p = k;
+        }
+        l.push(p);
+    }
+    return *l.iter().max().unwrap();
+}
diff --git a/challenge-250/roger-bell-west/scala/ch-1.scala b/challenge-250/roger-bell-west/scala/ch-1.scala
new file mode 100644
index 0000000000..ce2b3fdbc1
--- /dev/null
+++ b/challenge-250/roger-bell-west/scala/ch-1.scala
@@ -0,0 +1,32 @@
+
+object Smallestindex {
+  def smallestindex(a: List[Int]): Int = {
+    for ((n, i) <- a.zipWithIndex) {
+      if (n % 10 == i) {
+        return i
+      }
+    }
+    return -1
+  }
+  def main(args: Array[String]) {
+      if (smallestindex(List(0, 1, 2)) == 0) {
+          print("Pass")
+      } else {
+          print("Fail")
+      }
+      print(" ")
+      if (smallestindex(List(4, 3, 2, 1)) == 2) {
+          print("Pass")
+      } else {
+          print("Fail")
+      }
+      print(" ")
+      if (smallestindex(List(1, 2, 3, 4, 5, 6, 7, 8, 9, 0)) == -1) {
+          print("Pass")
+      } else {
+          print("Fail")
+      }
+      println("")
+
+  }
+}
diff --git a/challenge-250/roger-bell-west/scala/ch-2.scala b/challenge-250/roger-bell-west/scala/ch-2.scala
new file mode 100644
index 0000000000..27702c9e38
--- /dev/null
+++ b/challenge-250/roger-bell-west/scala/ch-2.scala
@@ -0,0 +1,33 @@
+import scala.collection.mutable.ListBuffer
+
+object Alphanumericstringvalue {
+
+  def alphanumericstringvalue(a: List[String]): Int = {
+    var l = new ListBuffer[Int]
+    for (n <- a) {
+      val p = try {
+        n.toInt
+      } catch {
+        case e: NumberFormatException =>
+          n.length
+      }
+      l += p
+    }
+    return l.max
+  }
+  def main(args: Array[String]) {
+    if (alphanumericstringvalue(List("perl", "2", "000", "python", "raku")) == 6) {
+      print("Pass")
+    } else {
+      print("Fail")
+    }
+    print(" ")
+    if (alphanumericstringvalue(List("001", "1", "000", "0001")) == 1) {
+      print("Pass")
+    } else {
+      print("Fail")
+    }
+    println("")
+
+  }
+}
diff --git a/challenge-250/roger-bell-west/tests.yaml b/challenge-250/roger-bell-west/tests.yaml
new file mode 100644
index 0000000000..0f575386d3
--- /dev/null
+++ b/challenge-250/roger-bell-west/tests.yaml
@@ -0,0 +1,41 @@
+---
+ch-1:
+  - function: smallestindex
+    arguments:
+      - 0
+      - 1
+      - 2
+    result: 0
+  - arguments:
+      - 4
+      - 3
+      - 2
+      - 1
+    result: 2
+  - arguments:
+      - 1
+      - 2
+      - 3
+      - 4
+      - 5
+      - 6
+      - 7
+      - 8
+      - 9
+      - 0
+    result: -1
+ch-2:
+  - function: alphanumericstringvalue
+    arguments:
+      - perl
+      - "2"
+      - "000"
+      - python
+      - raku
+    result: 6
+  - arguments:
+      - "001"
+      - "1"
+      - "000"
+      - "0001"
+    result: 1