std::stack::top
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reference top(); | ||
const_reference top()const; | ||
Gibt Bezugnahme auf das obere Element in dem Stapel. Dies ist die zuletzt gedrückt Element. Dieses Element wird auf der Aufruf
pop()
entfernt werden. Effektiv nennt c.back() .Original:
Returns reference to the top element in the stack. This is the most recently pushed element. This element will be removed on a call to
pop()
. Effectively calls c.back().The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Inhaltsverzeichnis |
[Bearbeiten]Parameter
(None)
Original:
(none)
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[Bearbeiten]Rückgabewert
Bezugnahme auf das letzte Element
Original:
reference to the last element
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[Bearbeiten]Komplexität
Constant
Original:
Constant
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[Bearbeiten]Siehe auch
inserts element at the top (öffentliche Elementfunktion) | |
entfernt das oberste Element Original: removes the top element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) |
[Bearbeiten]Beispiel
#include <stack>#include <iostream> int main(){std::stack<int> s; s.push(2); s.push(6); s.push(51); std::cout<< s.size()<<" elements on stack\n";std::cout<<"Top element: "<< s.top()// Leaves element on stack<<"\n";std::cout<< s.size()<<" elements on stack\n"; s.pop();std::cout<< s.size()<<" elements on stack\n";std::cout<<"Top element: "<< s.top()<<"\n"; return0;}
Output:
3 elements on stack Top element: 51 3 elements on stack 2 elements on stack Top element: 6