diff --git a/basic_algorithms_implementations/dijkstra.cpp b/basic_algorithms_implementations/dijkstra.cpp
index 488b590..47cd589 100644
--- a/basic_algorithms_implementations/dijkstra.cpp
+++ b/basic_algorithms_implementations/dijkstra.cpp
@@ -74,6 +74,11 @@ void dijkstra(int s)
 
 int main()
 {
+	// 	make it fast
+	ios_base::sync_with_stdio(false);
+	cin.tie(0);
+	cout.tie(0);
+	
 	int T, a, b, h, m, n;
 	cin >> T;
 
diff --git a/basic_algorithms_implementations/lcs.cpp b/basic_algorithms_implementations/lcs.cpp
index de0b454..4a7d30a 100644
--- a/basic_algorithms_implementations/lcs.cpp
+++ b/basic_algorithms_implementations/lcs.cpp
@@ -104,6 +104,10 @@ void printallLCS(int i , int j)
 
 int main()
 {
+// 	make it fast
+	ios_base::sync_with_stdio(false);
+	cin.tie(0);
+	cout.tie(0);
 
 	memset(dp,-1 , sizeof(dp));
 	memset(visited, false , sizeof(visited[0][0]) * maxC * maxC);