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krahets
2023-11-09 05:13:48 +08:00
parent 9701430089
commit 0105644232
83 changed files with 516 additions and 509 deletions

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@@ -6,7 +6,7 @@ comments: true
在队列中,我们仅能在头部删除或在尾部添加元素。如图 5-7 所示,「双向队列 double-ended queue」提供了更高的灵活性允许在头部和尾部执行元素的添加或删除操作。
![双向队列的操作](deque.assets/deque_operations.png)
![双向队列的操作](deque.assets/deque_operations.png){ class="animation-figure" }
<p align="center"> 图 5-7 &nbsp; 双向队列的操作 </p>
@@ -365,19 +365,19 @@ comments: true
如图 5-8 所示,我们将双向链表的头节点和尾节点视为双向队列的队首和队尾,同时实现在两端添加和删除节点的功能。
=== "LinkedListDeque"
![基于链表实现双向队列的入队出队操作](deque.assets/linkedlist_deque.png)
![基于链表实现双向队列的入队出队操作](deque.assets/linkedlist_deque.png){ class="animation-figure" }
=== "pushLast()"
![linkedlist_deque_push_last](deque.assets/linkedlist_deque_push_last.png)
![linkedlist_deque_push_last](deque.assets/linkedlist_deque_push_last.png){ class="animation-figure" }
=== "pushFirst()"
![linkedlist_deque_push_first](deque.assets/linkedlist_deque_push_first.png)
![linkedlist_deque_push_first](deque.assets/linkedlist_deque_push_first.png){ class="animation-figure" }
=== "popLast()"
![linkedlist_deque_pop_last](deque.assets/linkedlist_deque_pop_last.png)
![linkedlist_deque_pop_last](deque.assets/linkedlist_deque_pop_last.png){ class="animation-figure" }
=== "popFirst()"
![linkedlist_deque_pop_first](deque.assets/linkedlist_deque_pop_first.png)
![linkedlist_deque_pop_first](deque.assets/linkedlist_deque_pop_first.png){ class="animation-figure" }
<p align="center"> 图 5-8 &nbsp; 基于链表实现双向队列的入队出队操作 </p>
@@ -2008,19 +2008,19 @@ comments: true
如图 5-9 所示,与基于数组实现队列类似,我们也可以使用环形数组来实现双向队列。
=== "ArrayDeque"
![基于数组实现双向队列的入队出队操作](deque.assets/array_deque.png)
![基于数组实现双向队列的入队出队操作](deque.assets/array_deque.png){ class="animation-figure" }
=== "pushLast()"
![array_deque_push_last](deque.assets/array_deque_push_last.png)
![array_deque_push_last](deque.assets/array_deque_push_last.png){ class="animation-figure" }
=== "pushFirst()"
![array_deque_push_first](deque.assets/array_deque_push_first.png)
![array_deque_push_first](deque.assets/array_deque_push_first.png){ class="animation-figure" }
=== "popLast()"
![array_deque_pop_last](deque.assets/array_deque_pop_last.png)
![array_deque_pop_last](deque.assets/array_deque_pop_last.png){ class="animation-figure" }
=== "popFirst()"
![array_deque_pop_first](deque.assets/array_deque_pop_first.png)
![array_deque_pop_first](deque.assets/array_deque_pop_first.png){ class="animation-figure" }
<p align="center"> 图 5-9 &nbsp; 基于数组实现双向队列的入队出队操作 </p>

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@@ -7,7 +7,7 @@ icon: material/stack-overflow
<div class="center-table" markdown>
![栈与队列](../assets/covers/chapter_stack_and_queue.jpg){ width="600" }
![栈与队列](../assets/covers/chapter_stack_and_queue.jpg){ class="cover-image" }
</div>

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@@ -8,7 +8,7 @@ comments: true
如图 5-4 所示,我们将队列的头部称为“队首”,尾部称为“队尾”,将把元素加入队尾的操作称为“入队”,删除队首元素的操作称为“出队”。
![队列的先入先出规则](queue.assets/queue_operations.png)
![队列的先入先出规则](queue.assets/queue_operations.png){ class="animation-figure" }
<p align="center"> 图 5-4 &nbsp; 队列的先入先出规则 </p>
@@ -325,13 +325,13 @@ comments: true
如图 5-5 所示,我们可以将链表的“头节点”和“尾节点”分别视为“队首”和“队尾”,规定队尾仅可添加节点,队首仅可删除节点。
=== "LinkedListQueue"
![基于链表实现队列的入队出队操作](queue.assets/linkedlist_queue.png)
![基于链表实现队列的入队出队操作](queue.assets/linkedlist_queue.png){ class="animation-figure" }
=== "push()"
![linkedlist_queue_push](queue.assets/linkedlist_queue_push.png)
![linkedlist_queue_push](queue.assets/linkedlist_queue_push.png){ class="animation-figure" }
=== "pop()"
![linkedlist_queue_pop](queue.assets/linkedlist_queue_pop.png)
![linkedlist_queue_pop](queue.assets/linkedlist_queue_pop.png){ class="animation-figure" }
<p align="center"> 图 5-5 &nbsp; 基于链表实现队列的入队出队操作 </p>
@@ -1216,13 +1216,13 @@ comments: true
可以看到,入队和出队操作都只需进行一次操作,时间复杂度均为 $O(1)$ 。
=== "ArrayQueue"
![基于数组实现队列的入队出队操作](queue.assets/array_queue.png)
![基于数组实现队列的入队出队操作](queue.assets/array_queue.png){ class="animation-figure" }
=== "push()"
![array_queue_push](queue.assets/array_queue_push.png)
![array_queue_push](queue.assets/array_queue_push.png){ class="animation-figure" }
=== "pop()"
![array_queue_pop](queue.assets/array_queue_pop.png)
![array_queue_pop](queue.assets/array_queue_pop.png){ class="animation-figure" }
<p align="center"> 图 5-6 &nbsp; 基于数组实现队列的入队出队操作 </p>

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@@ -10,7 +10,7 @@ comments: true
如图 5-1 所示,我们把堆叠元素的顶部称为“栈顶”,底部称为“栈底”。将把元素添加到栈顶的操作叫做“入栈”,删除栈顶元素的操作叫做“出栈”。
![栈的先入后出规则](stack.assets/stack_operations.png)
![栈的先入后出规则](stack.assets/stack_operations.png){ class="animation-figure" }
<p align="center"> 图 5-1 &nbsp; 栈的先入后出规则 </p>
@@ -325,13 +325,13 @@ comments: true
如图 5-2 所示,对于入栈操作,我们只需将元素插入链表头部,这种节点插入方法被称为“头插法”。而对于出栈操作,只需将头节点从链表中删除即可。
=== "LinkedListStack"
![基于链表实现栈的入栈出栈操作](stack.assets/linkedlist_stack.png)
![基于链表实现栈的入栈出栈操作](stack.assets/linkedlist_stack.png){ class="animation-figure" }
=== "push()"
![linkedlist_stack_push](stack.assets/linkedlist_stack_push.png)
![linkedlist_stack_push](stack.assets/linkedlist_stack_push.png){ class="animation-figure" }
=== "pop()"
![linkedlist_stack_pop](stack.assets/linkedlist_stack_pop.png)
![linkedlist_stack_pop](stack.assets/linkedlist_stack_pop.png){ class="animation-figure" }
<p align="center"> 图 5-2 &nbsp; 基于链表实现栈的入栈出栈操作 </p>
@@ -1089,13 +1089,13 @@ comments: true
使用数组实现栈时,我们可以将数组的尾部作为栈顶。如图 5-3 所示,入栈与出栈操作分别对应在数组尾部添加元素与删除元素,时间复杂度都为 $O(1)$ 。
=== "ArrayStack"
![基于数组实现栈的入栈出栈操作](stack.assets/array_stack.png)
![基于数组实现栈的入栈出栈操作](stack.assets/array_stack.png){ class="animation-figure" }
=== "push()"
![array_stack_push](stack.assets/array_stack_push.png)
![array_stack_push](stack.assets/array_stack_push.png){ class="animation-figure" }
=== "pop()"
![array_stack_pop](stack.assets/array_stack_pop.png)
![array_stack_pop](stack.assets/array_stack_pop.png){ class="animation-figure" }
<p align="center"> 图 5-3 &nbsp; 基于数组实现栈的入栈出栈操作 </p>