Question

How to print a deque in C++

Answer 1

#include <iostream>  
#include <string>  
#include <deque> 

using std::deque;
using std::string;
using std::cout;

int main()
{
	deque<string> dq;

	dq.push_back(string("c"));
	dq.push_back(string("c++"));
	dq.push_back(string("java"));

	for (auto elem : dq) {
		cout << elem << ' ';
	}
	cout << std::endl;

	return 0;
}

/*
run:

c c++ java

*/

 

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Answer 2

#include <iostream>  
#include <string>  
#include <deque> 
#include <iterator>

using std::deque;
using std::string;
using std::cout;

int main()
{
	deque<string> dq;

	dq.push_back(string("c"));
	dq.push_back(string("c++"));
	dq.push_back(string("java"));

	copy(dq.cbegin(), dq.cend(), std::ostream_iterator<string>(cout, "\n"));

	cout << std::endl;

	return 0;
}

/*
run:

c
c++
java

*/

 

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