diff --git a/main.cpp b/main.cpp
new file mode 100644
index 00000000..6428b7d6
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+
+int main() {
+    std::vector<std::string> well = {"wellll", "wl", "wellwellwell", "nu-nu"};
+
+    std::vector<size_t> lengths;
+    std::transform(well.begin(), well.end(), std::back_inserter(lengths),
+                   [](const std::string& w) { return w.size(); });
+
+    for (size_t len : lengths) {
+        std::cout << len << " ";
+    }
+
+    return 0;
+}