create linearsearch.cpp

linearsearch.cpp

@@ -0,0 +1,30 @@
+// C++ code to linearly search x in arr[]. If x
+// is present then return its location, otherwise
+// return -1
+
+#include <iostream>
+using namespace std;
+
+int search(int arr[], int n, int x)
+{
+	int i;
+	for (i = 0; i < n; i++)
+		if (arr[i] == x)
+			return i;
+	return -1;
+}
+
+// Driver code
+int main(void)
+{
+	int arr[] = { 2, 3, 4, 10, 40 };
+	int x = 10;
+	int n = sizeof(arr) / sizeof(arr[0]);
+
+	// Function call
+	int result = search(arr, n, x);
+	(result == -1)
+		? cout << "Element is not present in array"
+		: cout << "Element is present at index " << result;
+	return 0;
+}