1 files changed, 50 insertions, 0 deletions
diff --git a/test/other/sos.cpp b/test/other/sos.cpp
new file mode 100644
index 0000000..f3a6109
--- /dev/null
+++ b/test/other/sos.cpp
@@ -0,0 +1,50 @@
+#include "../util.h"
+
+vector<ll> sos(const vector<ll>& in) {
+	#include <other/sos.cpp>
+	return res;
+}
+
+vector<ll> naive(const vector<ll>& in) {
+	vector<ll> res(sz(in));
+	for (ll i = 0; i < sz(in); i++) {
+		for (ll j = 0; j <= i; j++) {
+			if ((i | j) == i) {
+				res[i] += in[j];
+			}
+		}
+	}
+	return res;
+}
+
+void stress_test() {
+	ll tests = 0;
+	for (ll i = 0; i < 1000; i++) {
+		int n = Random::integer<int>(1, 100);
+		auto in = Random::integers<ll>(n, -1000, 1000);
+		auto got = sos(in);
+		auto expected = naive(in);
+		if (got != expected) cerr << "error: " << i << FAIL;
+		tests += n;
+	}
+	cerr << "tested random queries: " << tests << endl;
+}
+
+constexpr int N = 10'000'000;
+void performance_test() {
+	timer t;
+	auto in = Random::integers<ll>(N, -1000, 1000);
+	t.start();
+	auto res = sos(in);
+	t.stop();
+	hash_t hash = 0;
+	for (ll x : res) hash += x;
+	if (t.time > 500) cerr << "too slow: " << t.time << FAIL;
+	cerr << "tested performance: " << t.time << "ms (hash: " << hash << ")" << endl;
+}
+
+int main() {
+	stress_test();
+	performance_test();
+}
+