#include <algorithm>
#include <iostream>

int main( ) {
   int a[5] = { 3, 1, 4, 1, 6 };

   std::cout << "Da el valor a buscar: ";
   int v;
   std::cin >> v;

   int* p = std::find(&a[0], &a[0] + 5, v);
   if (p == &a[0] + 5) {
      std::cout << "No encontrado\n";
   } else {
      std::cout << "Si esta " << *p << "\n";
      std::cout << "Indice del arreglo: " << p - &a[0] << "\n";
   }
}