diff --git a/exercises/verify.cpp b/exercises/verify.cpp
index 2335678..551179a 100644
--- a/exercises/verify.cpp
+++ b/exercises/verify.cpp
@@ -9,10 +9,26 @@ The number 3 is [not] present in the array.
 #include <iostream>
 using namespace std;
 
+bool verify(int A[], int size_of_A){
+  int key;
+  cout << "inserire la chiave: "<< endl;
+  cin >> key;
+  for(int i = 0; i< size_of_A; i++){
+    if(key == A[i]);
+    return true;
+  }
+  return false;
+}
+
+
 int main()
 {
   // placeholder
   int N[10] = {3, 4, 5, 1, 2, 3, 4, 9, 13, 0};
-
+  if (verify(N, 10)){
+    cout << "E' presente l'elemento!"<< endl;
+  }else{
+    cout << "Non è presente l'elemento!"<< endl;
+  }
   return 0;
 }