create a deque : deque « Deque « C++

1. C++
2. Deque
3. deque

create a deque

  
 

#include <iostream>
using std::cout;
using std::endl;

#include <deque>     // deque class-template definition
#include <algorithm> // copy algorithm
#include <iterator>  // ostream_iterator

int main()
{
   std::deque< double > values; // create deque of doubles
   std::ostream_iterator< double > output( cout, " " );

   // insert elements in values
   values.push_front( 2.2 );
   values.push_front( 3.5 );
   values.push_back( 1.1 );

   cout << "values contains: ";
   std::copy( values.begin(), values.end(), output );

   values.pop_front(); // remove first element

   cout << "\nAfter pop_front, values contains: ";
   std::copy( values.begin(), values.end(), output );

   cout << endl;
   return 0;
}

 /* 
values contains: 3.5 2.2 1.1
After pop_front, values contains: 2.2 1.1

 */       
    
  

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