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// deque::pop_back
#include <iostream>
#include <deque>
int main ()
{
std::deque<int> mydeque;
int sum (0);
mydeque.push_back (10);
mydeque.push_back (20);
mydeque.push_back (30);
while (!mydeque.empty())
{
sum+=mydeque.back();
mydeque.pop_back();
}
std::cout << "The elements of mydeque add up to " << sum << '\n';
return 0;
}
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