diff --git a/sorting/gnome_sort.cpp b/sorting/gnome_sort.cpp
index b7a57e923..885cbd36b 100644
--- a/sorting/gnome_sort.cpp
+++ b/sorting/gnome_sort.cpp
@@ -1,29 +1,30 @@
 #include <iostream>
-using namespace std;
 
 void gnomesort(int arr[], int size) {
-    // few easy cases
-    if (size <= 1) return;
+  // few easy cases
+  if (size <= 1)
+    return;
 
-    int index = 0;  // initialize some variables.
-    while (index < size) {
-        // check for swap
-        if ((index == 0) || (arr[index] >= arr[index - 1])) {
-            index++;
-        } else {
-            swap(arr[index], arr[index - 1]);  // swap
-            index--;
-        }
+  int index = 0; // initialize some variables.
+  while (index < size) {
+    // check for swap
+    if ((index == 0) || (arr[index] >= arr[index - 1])) {
+      index++;
+    } else {
+      std::swap(arr[index], arr[index - 1]); // swap
+      index--;
     }
+  }
 }
 // Our main function
 int main() {
-    int arr[] = {-2, -10, 100, 35, 34, 99};
-    int size = sizeof(arr) / sizeof(arr[0]);
+  int arr[] = {-2, -10, 100, 35, 34, 99};
+  int size = sizeof(arr) / sizeof(arr[0]);
 
-    gnomesort(arr, size);
+  gnomesort(arr, size);
 
-    for (int i = 0; i < size; i++) printf("%d ", arr[i]);
+  for (int i = 0; i < size; i++)
+    printf("%d ", arr[i]);
 
-    return 0;
+  return 0;
 }