test: add cpp/filter.cpp source fixture

2026-09-25 11:05:33 +08:00
parent 60541a3ba5
commit 229c8e3b8c
1 changed files with 4 additions and 0 deletions
--- a/cpp/filter.cpp
+++ b/cpp/filter.cpp
@@ -0,0 +1,4 @@
+int smooth_sample(int current, int previous) {
+    if (current > previous) return (current + previous) / 2;
+    return current;
+}