init repo.

main.cpp

@@ -0,0 +1,16 @@
+#include "fetcher.h"
+
+int main(int argc, char **argv)
+{
+    Fetcher fetcher;
+
+    if (argc != 2)
+    {
+        std::cout << "The fetcher expect the program id.";
+        return -1;
+    }
+
+    fetcher.fetchProblem(argv[1]);
+
+    return 0;
+}