1 files changed, 33 insertions, 0 deletions
diff --git a/expt_0618_2.cpp b/expt_0618_2.cpp
new file mode 100644
index 0000000..4c104ad
--- /dev/null
+++ b/expt_0618_2.cpp
@@ -0,0 +1,33 @@
+#include <iostream>
+#include <random>
+
+constexpr size_t MAX_LEVEL = 32;
+
+void generateRandomLevel(std::vector<unsigned int> &v, long run_times) {
+  // auto levels = new int[size];
+  std::random_device randomDevice;
+  std::mt19937 randomEngine(randomDevice());
+  std::geometric_distribution<> distribution(0.5);
+  for (int i = 0; i < run_times; i++) {
+    v[(int)std::min(MAX_LEVEL, (size_t)distribution(randomEngine))]++;
+  }
+}
+
+int main(int argc, char const *argv[]) {
+
+  auto run_times = 65536L;
+
+  if (argc >= 2) {
+    run_times = strtol(argv[1], nullptr, 10);
+  }
+
+  std::vector<unsigned int> result(MAX_LEVEL + 3);
+  generateRandomLevel(result, run_times);
+
+  for (int i = 0; i < 32; i++) {
+    if (!result[i]) {
+      continue;
+    }
+    printf("%d: %d\n", i, result[i]);
+  }
+}
+\ No newline at end of file