8. Count algoritm example

• 
      #include <iostream>
      #include <algorithm>
      using namespace std;
      int main()
      {
          const int SIZE = 5;
          int dummy[ SIZE ] = { 5, 10, 5, 5, 10 };
  
          int cnt = std::count( dummy, dummy + SIZE, 5 );
  
          std::cout
              << "Array has "
              << cnt
              << " values that are equal to 5."
              << '\n'
              ;
  
          return 0;
      }
  
      /*Program output:
      Array has 3 values that are equal to 5.
      */