Create unique_element.c

Author: tirtharajsinha

unique_element.c

@@ -0,0 +1,59 @@
+#include <stdio.h>
+
+#define MAX_SIZE 100 // Maximum size of the array
+
+int main()
+{
+    int arr[MAX_SIZE]; // Declares an array of size 100
+    int size;          // Total number of elements in array
+    int i, j, k;       // Loop control variables
+
+    /* Input size of the array */
+   
+    scanf("%d", &size);
+
+    /* Input elements in the array */
+  
+    for(i=0; i<size; i++)
+    {
+        scanf("%d", &arr[i]);
+    }
+
+
+    /*
+     * Find duplicate elements in array
+     */
+    for(i=0; i<size; i++)
+    {
+        for(j=i+1; j<size; j++)
+        {
+            /* If any duplicate found */
+            if(arr[i] == arr[j])
+            {
+                /* Delete the current duplicate element */
+                for(k=j; k<size; k++)
+                {
+                    arr[k] = arr[k + 1];
+                }
+
+                /* Decrement size after removing duplicate element */
+                size--;
+
+                /* If shifting of elements occur then don't increment j */
+                j--;
+            }
+        }
+    }
+
+
+    /*
+     * Print array after deleting duplicate elements
+     */
+   
+    for(i=0; i<size; i++)
+    {
+        printf("%d\t", arr[i]);
+    }
+
+    return 0;
+}