1 files changed, 38 insertions, 0 deletions
diff --git a/2023/nim/day01.nim b/2023/nim/day01.nim
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+++ b/2023/nim/day01.nim
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+# Day One: Trebuchet?!
+import std/[os, strutils, sequtils, sugar]
+
+let input = paramStr(1).readFile().strip().split("\n")
+
+var values: seq[int]
+for line in input:
+  var buf = ""
+  for c in line:
+    if c in '0'..'9':
+      buf.add(c)
+  buf = if buf.len == 1: buf & buf else: buf[0] & buf[^1]
+  values.add(buf.parseInt())
+echo values.foldl(a + b, 0)
+
+var parsed = input
+for _ in 0 ..< 100: # :-(
+  parsed = parsed.map(x => x.multiReplace([
+    ("one", "o1e"), # one1one does NOT work
+    ("two", "t2o"),
+    ("three", "t3e"),
+    ("four", "f4fr"),
+    ("five", "f5e"),
+    ("six", "s6x"),
+    ("seven", "s7n"),
+    ("eight", "e8t"),
+    ("nine", "n9e"),
+  ]))
+
+values = @[]
+for line in parsed:
+  var buf = ""
+  for c in line:
+    if c in '0'..'9':
+      buf.add(c)
+  buf = if buf.len == 1: buf & buf else: buf[0] & buf[^1]
+  values.add(buf.parseInt())
+echo values.foldl(a + b, 0)