BubbleSort Added :I made the changes you told me to do. Tell me any other changes i need to make

src/algorithm_practice/Searching_And_Sorting/bubbleSort/bubbleSort.cpp

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+#include<iostream>
+/**
+*Bubble sort
+*Sometimes referred to as sinking sort, is a simple sorting algorithm that
+*repeatedly steps through the list to be sorted, compares each pair of 
+*adjacent items and swaps them if they are in the wrong order.
+*Complexity for this algorithm will be O(n^2)
+*/
+ using namespace std;
+
+
+/* Function for bubble sort*/
+
+template<typename T>
+
+ void bubble_sort (T arr[], int length) {
+  int i, j;
+  T temp;
+  for (i = 0; i < length; ++i) 
+    for (j = 0; j < length - i - 1; ++j) 
+      if (arr[j] > arr[j + 1]) {
+        temp = arr[j];
+        arr[j] = arr [j + 1];
+        arr[j + 1] = temp;
+      }
+   }		
+
+  /*End of function*/
+
+  int main () {
+    int length;
+    cout << "Enter the number of elements you want to sort \n";
+    cin >> length;
+    int arr[length];   //Defining an array of specific length
+    for (int i = 0; i < length; ++i) {
+      cout << "Enter element number " << i+1 << endl;
+      cin >> arr[i];
+    }
+   	bubble_sort(arr, length);   //Sorting the entered array
+   	cout << " { ";
+    for (int i = 0; i < length; ++i) {
+
+   		cout << arr[i] ;
+      if (i != length-1)
+      {
+        cout << ", " ;
+      }
+  	}
+    cout << " }";
+   	return 0;
+  }