Update LinearSearch.cpp

Add a C++ program for linear search in an array

Add Code Here/C++/Arrays/LinearSearch.cpp

@@ -1,15 +1,21 @@
 #include <iostream>
 using namespace std;
-int main(){
-    int A[10] = {10,512,8,82,8,55,44,55,45,45}, key;
+
+int main() {
+    int A[10] = {10, 512, 8, 82, 8, 55, 44, 55, 45, 45};
+    int key;
+
     cout << "Enter Key: ";
     cin >> key;
-    for(int i =0; i< 10 ; i++){
 
-    if (key == A[i]){
-        cout << "Found at " << i << endl;
-    return 0;
-    }
+    for (int i = 0; i < 10; i++) {
+        if (key == A[i]) {
+            cout << "Found at index " << i << endl;
+            return 0;
+        }
     }
-    cout << "Jane de n vro!";
-}
+
+    cout << "Key not found!" << endl;
+
+    return 0;
+}