diff --git a/bubble sort b/bubble sort
new file mode 100644
index 0000000..0ea3f1d
--- /dev/null
+++ b/bubble sort	
@@ -0,0 +1,51 @@
+#include <stdio.h> 
+  
+void swap(int *xp, int *yp) 
+{ 
+    int temp = *xp; 
+    *xp = *yp; 
+    *yp = temp; 
+} 
+  
+// An optimized version of Bubble Sort 
+void bubbleSort(int arr[], int n) 
+{ 
+   int i, j; 
+   bool swapped; 
+   for (i = 0; i < n-1; i++) 
+   { 
+     swapped = false; 
+     for (j = 0; j < n-i-1; j++) 
+     { 
+        if (arr[j] > arr[j+1]) 
+        { 
+           swap(&arr[j], &arr[j+1]); 
+           swapped = true; 
+        } 
+     } 
+  
+     // IF no two elements were swapped by inner loop, then break 
+     if (swapped == false) 
+        break; 
+   } 
+} 
+  
+/* Function to print an array */
+void printArray(int arr[], int size) 
+{ 
+    int i; 
+    for (i=0; i < size; i++) 
+        printf("%d ", arr[i]); 
+    printf("n"); 
+} 
+  
+// Driver program to test above functions 
+int main() 
+{ 
+    int arr[] = {64, 34, 25, 12, 22, 11, 90}; 
+    int n = sizeof(arr)/sizeof(arr[0]); 
+    bubbleSort(arr, n); 
+    printf("Sorted array: \n"); 
+    printArray(arr, n); 
+    return 0; 
+}