1 files changed, 22 insertions, 0 deletions
diff --git a/tests/exec/pow_rec.cpp b/tests/exec/pow_rec.cpp
new file mode 100644
index 0000000..5016246
--- /dev/null
+++ b/tests/exec/pow_rec.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+
+class Puiss {
+public:
+  int pow(int a, int n);
+};
+
+int Puiss::pow(int a, int n) {
+  if (n <= 0)
+    return 1;
+  int r = pow(a, n / 2);
+  r = r * r;
+  if (n % 2 == 0)
+    return r;
+  return r * a;
+}
+
+int main() {
+  Puiss p;
+  std::cout << p.pow(2, 4) << "\n";
+  std::cout << p.pow(6, 3) << "\n";
+}