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47 lines
1.2 KiB
47 lines
1.2 KiB
/**
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* File: deque.cpp
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* Created Time: 2022-11-25
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* Author: krahets (krahets@163.com)
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*/
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#include "../utils/common.hpp"
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/* Driver Code */
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int main() {
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/* Initialize double-ended queue */
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deque<int> deque;
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/* Element enqueue */
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deque.push_back(2);
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deque.push_back(5);
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deque.push_back(4);
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deque.push_front(3);
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deque.push_front(1);
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cout << "Double-ended queue deque = ";
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printDeque(deque);
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/* Access element */
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int front = deque.front();
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cout << "Front element of the queue front = " << front << endl;
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int back = deque.back();
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cout << "Back element of the queue back = " << back << endl;
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/* Element dequeue */
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deque.pop_front();
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cout << "Front element dequeued = " << front << ", after dequeuing from the front";
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printDeque(deque);
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deque.pop_back();
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cout << "Back element dequeued = " << back << ", after dequeuing from the back";
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printDeque(deque);
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/* Get the length of the double-ended queue */
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int size = deque.size();
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cout << "Length of the double-ended queue size = " << size << endl;
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/* Determine if the double-ended queue is empty */
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bool empty = deque.empty();
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cout << "Is the double-ended queue empty = " << empty << endl;
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return 0;
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}
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