diff --git a/linear-search.c b/linear-search.c
index 9ca2cb8..5b1645e 100644
--- a/linear-search.c
+++ b/linear-search.c
@@ -1,10 +1,18 @@
 #include <stdio.h>
-void display()
-{
-  // display code goes here
+void display(int i)
+{ 
+  int index=i;
+  printf("%d",index);
 }
-int linearSearch(int search,int n,int arr[])
+
+int linearSearch(int arr[],int key,int n)
 {
+  for(int i=0;i<n;i++){
+    if(arr[i]==key){
+      display(i);
+    }else
+      display(-1);
+  }
   // linear search code goes here
   for (int i = 0; i < n; i++)
   {
@@ -16,9 +24,12 @@ int linearSearch(int search,int n,int arr[])
   return -1;
 }
 int main()
-{
+{ int key;
+printf("Enter your key:");
+scanf("%d",&key);
   int arr[] = {5, 3, 7, 9, 10, 12, 7, 2, 4};
   // main program
-  printf("%d",linearSearch(7,sizeof(arr),arr));
+
+  linearSearch(arr[],key,9);
   return 0;
 }
\ No newline at end of file