#include <algorithm>
#include <fstream>
#include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
+#include <alloca.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <algorithm>
#include <fstream>
#include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
+#include <alloca.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <algorithm>
#include <fstream>
#include <iostream>
-#include <stdlib.h>
+#include <cstdlib>
+#include <alloca.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>