Add day8 problem + solution

day8/p1.nim

@@ -0,0 +1,28 @@
+import os
+import std/strutils
+
+type
+  Segment = enum
+    One = 2
+    Seven = 3
+    Four = 4
+    Eight = 7
+
+proc main() =
+  let fileName = paramStr(1)
+
+  # store count for 1, 4, 7, 8
+  var count = 0
+
+  for line in fileName.lines:
+    let display = line.split(" | ")[1].strip()
+    let digits = display.splitWhitespace()
+
+    for digit in digits:
+      case len(digit).Segment:
+      of One, Four, Seven, Eight:
+        count += 1
+
+  echo "Count of 1, 4, 7, 8: ", count
+
+main()