Added solutions

2024/day-2/solution.awk

@@ -0,0 +1,32 @@
+#!/usr/bin/env awk
+
+BEGIN {
+  safe = 0
+}
+{
+  if ($2 > $1) {
+    order = 0
+  } else {
+    order = 1
+  }
+  for (i = 1; i < NF; i++) {
+    j = i + 1
+    if ( $i < $j && order == 1 ) {
+      next
+    } else if ( $i > $j && order == 0) {
+      next
+    }
+    if ( $i < $j ) {
+      diff = $j - $i
+    } else { 
+      diff = $i - $j
+    }
+    if (diff > 3 || diff < 1) {
+      next
+    }
+  }
+  safe += 1
+}
+END {
+  print safe
+}