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-rwxr-xr-x2024/01/puzzle-1.awk18
1 files changed, 18 insertions, 0 deletions
diff --git a/2024/01/puzzle-1.awk b/2024/01/puzzle-1.awk
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--- /dev/null
+++ b/2024/01/puzzle-1.awk
@@ -0,0 +1,18 @@
+#!/usr/bin/awk -f
+
+function abs(n) {
+ return n < 0 ? -n : n
+}
+
+{
+ xs[++i] = $1
+ ys[i] = $2
+}
+
+END {
+ asort(xs)
+ asort(ys)
+ for (i in xs)
+ d += abs(xs[i] - ys[i])
+ print d
+} \ No newline at end of file