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47 lines
1.1 KiB
47 lines
1.1 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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/* 初始化双向队列 */
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deque<int> deque;
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/* 元素入队 */
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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 << "双向队列 deque = ";
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printDeque(deque);
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/* 访问元素 */
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int front = deque.front();
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cout << "队首元素 front = " << front << endl;
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int back = deque.back();
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cout << "队尾元素 back = " << back << endl;
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/* 元素出队 */
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deque.pop_front();
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cout << "队首出队元素 popFront = " << front << "，队首出队后 deque = ";
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printDeque(deque);
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deque.pop_back();
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cout << "队尾出队元素 popLast = " << back << "，队尾出队后 deque = ";
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printDeque(deque);
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/* 获取双向队列的长度 */
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int size = deque.size();
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cout << "双向队列长度 size = " << size << endl;
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/* 判断双向队列是否为空 */
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bool empty = deque.empty();
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cout << "双向队列是否为空 = " << empty << endl;
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return 0;
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}
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