Update linear_search.c

1. If The Element Is Found - linearsearch() function will return the index of that element which will later get printed out through the main() function.

2. If The Element Is Not Found - linearsearch() function will return 0.

Author: kharajch

searching/linear_search.c

@@ -7,27 +7,29 @@ int linearsearch(int *arr, int size, int val)
     for (i = 0; i < size; i++)
     {
         if (arr[i] == val)
-            return 1;
+            return i;
     }
     return 0;
 }
 
 int main()
 {
-    int n, i, v;
+    int n, i, v, r;
     printf("Enter the size of the array:\n");
-    scanf("%d", &n);  // Taking input for the size of Array
+    scanf("%d", &n); // Taking input for the size of Array
 
     int *a = (int *)malloc(n * sizeof(int));
     printf("Enter the contents for an array of size %d:\n", n);
     for (i = 0; i < n; i++)
-        scanf("%d", &a[i]);  // accepts the values of array elements until the
-                             // loop terminates//
+        scanf("%d", &a[i]); // accepts the values of array elements until the
+                            // loop terminates//
 
     printf("Enter the value to be searched:\n");
-    scanf("%d", &v);  // Taking input the value to be searched
-    if (linearsearch(a, n, v))
-        printf("Value %d is in the array.\n", v);
+    scanf("%d", &v); // Taking input the value to be searched
+
+    r = linearsearch(a, n, v);
+    if (r != 0)
+        printf("Value %d is in the array at index %d.\n", v, r);
     else
         printf("Value %d is not in the array.\n", v);