added unstable bubble sorts in c

Author: GauravWalia19

C/README.md

@@ -21,6 +21,8 @@
 * BUBBLE SORT
   * [ASCENDING AND STABLE](Sorting/BUBBLE-SORT/bubblesort.c)
   * [DESCENDING AND STABLE](Sorting/BUBBLE-SORT/bubble.c)
+  * [ASCENDING AND UNSTABLE](Sorting/BUBBLE-SORT/ascendunbubble.c)
+  * [DESCENDING AND UNSTABLE](Sorting/BUBBLE-SORT/descendunbubble.c)
 
 ### EXECUTION OF C CODE
 

C/Sorting/BUBBLE-SORT/ascendunbubble.c

@@ -0,0 +1,39 @@
+//BUBBLE SORT
+//ASCENDING ORDER
+//UNSTABLE SORT
+#include <stdio.h>
+void bubblesort(int arr[],int n)
+{
+    for(register int i=n-1;i>=0;i--)
+    {
+        for(register int j=0;j<i;j++)
+        {
+            if(arr[j]>=arr[j+1])
+            {
+                //swap
+                int temp = arr[j+1];
+                arr[j+1] = arr[j];
+                arr[j] = temp;
+            }
+        }
+    }
+}
+int main()
+{
+    printf("Enter the size of the array\n");
+    int n;
+    scanf("%d",&n);
+    int arr[n];
+    printf("Enter the elements of the array\n");
+    for(register int i=0;i<n;i++)
+    {
+        scanf("%d",&arr[i]);
+    }
+    bubblesort(arr,n);
+    printf("The sorted array:\n");
+    for(register int i=0;i<n;i++)
+    {
+        printf("%d ",arr[i]);
+    }
+    printf("\n");
+}

C/Sorting/BUBBLE-SORT/descendunbubble.c

@@ -0,0 +1,39 @@
+//BUBBLE SORT
+//DESCENDING ORDER
+//UNSTABLE SORT
+#include <stdio.h>
+void bubblesort(int arr[],int n)
+{
+    for(register int i=n-1;i>=0;i--)
+    {
+        for(register int j=0;j<i;j++)
+        {
+            if(arr[j]<=arr[j+1])
+            {
+                //swap
+                int temp = arr[j+1];
+                arr[j+1] = arr[j];
+                arr[j] = temp;
+            }
+        }
+    }
+}
+int main()
+{
+    printf("Enter the size of the array\n");
+    int n;
+    scanf("%d",&n);
+    int arr[n];
+    printf("Enter the elements of the array\n");
+    for(register int i=0;i<n;i++)
+    {
+        scanf("%d",&arr[i]);
+    }
+    bubblesort(arr,n);
+    printf("The sorted array:\n");
+    for(register int i=0;i<n;i++)
+    {
+        printf("%d ",arr[i]);
+    }
+    printf("\n");
+}