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Stack: Difference between revisions
→[[C plus plus|C++]]
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'''Library:''' STL
#include <stack>
template <class T, class Sequence = deque<T> >
class stack {
friend bool operator== (const stack&, const stack&);
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typedef typename Sequence::size_type size_type;
typedef Sequence container_type;
typedef typename Sequence::reference reference;
typedef typename Sequence::const_reference const_reference;
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stack() : seq() {}
explicit stack(const Sequence& s0) : seq(s0) {}
bool empty() const { return seq.empty(); }
size_type size() const { return seq.size(); }
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return x.seq == y.seq;
}
template <class T, class Sequence>
bool operator<(const stack<T,Sequence>& x, const stack<T,Sequence>& y)
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return !(x == y);
}
template <class T, class Sequence>
bool operator>(const stack<T,Sequence>& x, const stack<T,Sequence>& y)
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return y < x;
}
template <class T, class Sequence>
bool operator<=(const stack<T,Sequence>& x, const stack<T,Sequence>& y)
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return !(y < x);
}
template <class T, class Sequence>
bool operator>=(const stack<T,Sequence>& x, const stack<T,Sequence>& y)
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