diff --git a/graph/travelling_salesman_problem.cpp b/graph/travelling_salesman_problem.cpp
index 1cf5466c8..dc911f565 100644
--- a/graph/travelling_salesman_problem.cpp
+++ b/graph/travelling_salesman_problem.cpp
@@ -38,7 +38,6 @@ namespace graph {
  * @param V number of vertices in the graph
  *
  */
-
 int TravellingSalesmanProblem(std::vector<std::vector<int>> *cities, int src,
                               int V) {
     //// vtx stores the vertexs of the graph