diff --git a/data/roadef_challenge_2011/solution_checker/solution_checker.cc b/data/roadef_challenge_2011/solution_checker/solution_checker.cc
index ef1e01ff1b..cf9c49758b 100644
--- a/data/roadef_challenge_2011/solution_checker/solution_checker.cc
+++ b/data/roadef_challenge_2011/solution_checker/solution_checker.cc
@@ -268,6 +268,7 @@ int64 SolutionChecker::GetObjectiveCost() const {
   return total_cost;
 }
 
+
 bool SolutionChecker::HasProcessMoved(const Process& process) const {
   const ProcessIndex process_id = process.id();
   const MachineIndex initial_machine_id = initial_assignments_.at(process_id);
diff --git a/data/roadef_challenge_2011/solution_checker/solution_checker.h b/data/roadef_challenge_2011/solution_checker/solution_checker.h
index 63f8430887..a9094b814a 100644
--- a/data/roadef_challenge_2011/solution_checker/solution_checker.h
+++ b/data/roadef_challenge_2011/solution_checker/solution_checker.h
@@ -275,6 +275,7 @@ class SolutionChecker {
   // document. Note this method assumes all hard constraints are satisfied.
   int64 GetObjectiveCost() const;
 
+
  private:
   // Returns true if process doesn't run on the same machine in the
   // initial assignment and in the new assignment.
diff --git a/data/roadef_challenge_2011/solution_checker/solution_checker_run.cc b/data/roadef_challenge_2011/solution_checker/solution_checker_run.cc
index d1b0b74bc2..039458ef4a 100644
--- a/data/roadef_challenge_2011/solution_checker/solution_checker_run.cc
+++ b/data/roadef_challenge_2011/solution_checker/solution_checker_run.cc
@@ -75,5 +75,6 @@ int main(int argc, char **argv) {
     LG << "Solution is invalid." << endl;
   }
 
+
   return 0;
 }