Create bubble sort in C

C/bubblesort.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+void bubble_sort(int a[], int n) {
+   int i = 0, j = 0, tmp;
+   for (i = 0; i < n; i++) {   // loop n times - 1 per element
+       for (j = 0; j < n - i - 1; j++) { // last i elements are sorted already            
+            if (a[j] > a[j + 1]) {  // swop if order is broken
+               tmp = a[j];
+               a[j] = a[j + 1];
+               a[j + 1] = tmp;
+           }
+       }
+   }
+}
+int main() {
+ int a[100], n, i, d, swap;
+ printf("Enter number of elements in the array:\n");
+ scanf("%d", &n);
+ printf("Enter %d integers\n", n);
+ for (i = 0; i < n; i++)
+   scanf("%d", &a[i]);
+ bubble_sort(a, n);
+ printf("Printing the sorted array:\n");
+ for (i = 0; i < n; i++)
+    printf("%d\n", a[i]);
+ return 0;
+}