2 files changed, 44 insertions, 0 deletions
diff --git a/challenge-258/archargelod/nim/ch_1.nim b/challenge-258/archargelod/nim/ch_1.nim
new file mode 100755
index 0000000000..175af303f2
--- /dev/null
+++ b/challenge-258/archargelod/nim/ch_1.nim
@@ -0,0 +1,22 @@
+#!/usr/bin/env -S nim r -d:release --verbosity:0 --hints:off
+
+proc countEvenDigitsNumbers(numbers: openarray[Natural]): int =
+  for num in numbers:
+    if num < 0: raise newException(ValueError, "Only positive values allowed")
+    if len($num) mod 2 == 0:
+      inc result
+
+when isMainModule:
+  import std/unittest
+
+  const
+    Test = [@[10.Natural, 1, 111, 24, 1000], @[111, 1, 11111], @[2, 8, 1024, 256]]
+    Expected = [3, 0, 1]
+
+  suite "Count Even Digits Number":
+    test "Example 1":
+      check countEvenDigitsNumbers(Test[0]) == Expected[0]
+    test "Example 2":
+      check countEvenDigitsNumbers(Test[1]) == Expected[1]
+    test "Example 3":
+      check countEvenDigitsNumbers(Test[2]) == Expected[2]
diff --git a/challenge-258/archargelod/nim/ch_2.nim b/challenge-258/archargelod/nim/ch_2.nim
new file mode 100755
index 0000000000..d7bbad4430
--- /dev/null
+++ b/challenge-258/archargelod/nim/ch_2.nim
@@ -0,0 +1,22 @@
+#!/usr/bin/env -S nim r -d:release --verbosity:0 --hints:off
+import std/strutils
+
+proc indexSetBitsNumberSum(numbers: openarray[int], setBits: int): int =
+  for ind, num in numbers:
+    if ind.toBin(64).count('1') == setBits:
+      result += num
+
+when isMainModule:
+  import std/unittest
+
+  const
+    Test = [(@[2, 5, 9, 11, 3], 1), (@[2, 5, 9, 11, 3], 2), (@[2, 5, 9, 11, 3], 0)]
+    Expected = [17, 11, 2]
+
+  suite "Sum of Values":
+    test "Example 1":
+      check indexSetBitsNumberSum(Test[0][0], Test[0][1]) == Expected[0]
+    test "Example 2":
+      check indexSetBitsNumberSum(Test[1][0], Test[1][1]) == Expected[1]
+    test "Example 3":
+      check indexSetBitsNumberSum(Test[2][0], Test[2][1]) == Expected[2]