diff --git a/01_array/05_negative_ele_to_one_side_of_array.cpp b/01_array/05_negative_ele_to_one_side_of_array.cpp
index b30a44f..1e2a8c9 100644
--- a/01_array/05_negative_ele_to_one_side_of_array.cpp
+++ b/01_array/05_negative_ele_to_one_side_of_array.cpp
@@ -21,8 +21,8 @@ void arrange(int a[], int n) {
         }
         else if (a[negi] > 0 && a[posi] > 0) posi--;
         else {
-            low++;
-            high--;
+            negi++;
+            posi--;
         }
     }
 }
\ No newline at end of file
diff --git a/01_array/09_minimize_the_height.cpp b/01_array/09_minimize_the_height.cpp
index af89ae0..ba3169f 100644
--- a/01_array/09_minimize_the_height.cpp
+++ b/01_array/09_minimize_the_height.cpp
@@ -21,4 +21,4 @@ int getMinDiff(int arr[], int n, int k) {
         ans = min(ans, curr_max - curr_min);
     }
     return ans;
-}
\ No newline at end of file
+}
diff --git a/01_array/12_merge_2_sorted_array.cpp b/01_array/12_merge_2_sorted_array.cpp
index 6585dca..4cd4cf6 100644
--- a/01_array/12_merge_2_sorted_array.cpp
+++ b/01_array/12_merge_2_sorted_array.cpp
@@ -47,8 +47,7 @@ void merge(int ar1[], int ar2[], int n, int m)
         int i, last = ar1[n - 1];
 
         // here array will be making space for the new element to insert
-        for (i = n - 2; i >= 0
-            && ar1[i] > ar2[j]; i--)
+        for (i = n - 2; i >= 0 && ar1[i] > ar2[j]; i--)
             ar1[i + 1] = ar1[i];
 
         // If there was a greater element
diff --git a/01_array/16_count_inversion.cpp b/01_array/16_count_inversion.cpp
index f9ce8a4..d56ff1b 100644
--- a/01_array/16_count_inversion.cpp
+++ b/01_array/16_count_inversion.cpp
@@ -3,7 +3,7 @@
 
     video (recommended to save time): https://youtu.be/kQ1mJlwW-c0
 
-    condition here is convertion counts if (arr[i]>arr[j] && i<j) <-- keep in mind everytime
+    condition here is convertion counts if (arr[i]>arr[j] && i<j) <-- keep this in mind everytime
 */
 
 
diff --git a/06_binary_trees/03_height_of_tree.cpp b/06_binary_trees/03_height_of_tree.cpp
index 94a2361..86e22d7 100644
--- a/06_binary_trees/03_height_of_tree.cpp
+++ b/06_binary_trees/03_height_of_tree.cpp
@@ -31,4 +31,4 @@ int height(struct Node* node)
             return rHeight + 1;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/12_graph/12_dijkstra_algo.cpp b/12_graph/12_dijkstra_algo.cpp
index a11adfa..5692d5b 100644
--- a/12_graph/12_dijkstra_algo.cpp
+++ b/12_graph/12_dijkstra_algo.cpp
@@ -50,7 +50,6 @@ int main() {
                 pq.push(make_pair(distTo[next], next));
             }
         }
-
     }
 
     cout << "The distances from source, " << source << ", are : \n";
@@ -58,4 +57,4 @@ int main() {
     cout << "\n";
 
     return 0;
-}
\ No newline at end of file
+}
diff --git a/12_graph/18_implement_kruskals_algorithm.cpp b/12_graph/18_implement_kruskals_algorithm.cpp
index 37519c9..8eaadfb 100644
--- a/12_graph/18_implement_kruskals_algorithm.cpp
+++ b/12_graph/18_implement_kruskals_algorithm.cpp
@@ -47,6 +47,7 @@ void unionn(int u, int v, vector<int>& parent, vector<int>& rank) {
         rank[u]++;
     }
 }
+
 int main() {
     int N, m;
     cin >> N >> m;