Add 2025 day 5 solutions

1 files changed, 19 insertions, 0 deletions

diff --git a/2025/05/puzzle-1.awk b/2025/05/puzzle-1.awk
new file mode 100755
index 0000000..acfe21b
--- /dev/null
+++ b/2025/05/puzzle-1.awk
@@ -0,0 +1,19 @@
+#!/usr/bin/awk -f
+
+BEGIN { FS = "-" }
+
+NF == 2 {
+	xs[NR, 1] = $1
+	xs[NR, 2] = $2
+}
+
+NF == 1 {
+	for (i = 1; i <= length(xs) / 2; i++) {
+		if ($1 >= xs[i, 1] && $1 <= xs[i, 2]) {
+			cnt++
+			break
+		}
+	}
+}
+
+END { print cnt }