diff --git a/docs/notes/pics/10.gif b/docs/notes/pics/10.gif index d52a911e..df380209 100644 Binary files a/docs/notes/pics/10.gif and b/docs/notes/pics/10.gif differ diff --git a/docs/notes/pics/101550406418006.gif b/docs/notes/pics/101550406418006.gif new file mode 100644 index 00000000..df380209 Binary files /dev/null and b/docs/notes/pics/101550406418006.gif differ diff --git a/docs/notes/pics/11.gif b/docs/notes/pics/11.gif index 5d9c6f00..ce296a05 100644 Binary files a/docs/notes/pics/11.gif and b/docs/notes/pics/11.gif differ diff --git a/docs/notes/pics/111550407277293.gif b/docs/notes/pics/111550407277293.gif new file mode 100644 index 00000000..ce296a05 Binary files /dev/null and b/docs/notes/pics/111550407277293.gif differ diff --git a/docs/notes/pics/11_200.png b/docs/notes/pics/11_200.png new file mode 100644 index 00000000..42966322 Binary files /dev/null and b/docs/notes/pics/11_200.png differ diff --git a/docs/notes/pics/121550407878282.gif b/docs/notes/pics/121550407878282.gif new file mode 100644 index 00000000..5a17a553 Binary files /dev/null and b/docs/notes/pics/121550407878282.gif differ diff --git a/docs/notes/pics/81550405360028.gif b/docs/notes/pics/81550405360028.gif new file mode 100644 index 00000000..7960c782 Binary files /dev/null and b/docs/notes/pics/81550405360028.gif differ diff --git a/docs/notes/pics/8_200.png b/docs/notes/pics/8_200.png new file mode 100644 index 00000000..af9d663a Binary files /dev/null and b/docs/notes/pics/8_200.png differ diff --git a/docs/notes/pics/9.gif b/docs/notes/pics/9.gif index f81aa264..2409a299 100644 Binary files a/docs/notes/pics/9.gif and b/docs/notes/pics/9.gif differ diff --git a/docs/notes/pics/91550405374894.gif b/docs/notes/pics/91550405374894.gif new file mode 100644 index 00000000..2409a299 Binary files /dev/null and b/docs/notes/pics/91550405374894.gif differ diff --git a/docs/notes/pics/9_200.png b/docs/notes/pics/9_200.png new file mode 100644 index 00000000..4cf0f56d Binary files /dev/null and b/docs/notes/pics/9_200.png differ diff --git a/docs/notes/算法.md b/docs/notes/算法.md index 40b6cd5d..b16e79b0 100644 --- a/docs/notes/算法.md +++ b/docs/notes/算法.md @@ -646,7 +646,7 @@ public T select(T[] nums, int k) { 堆可以用数组来表示，这是因为堆是完全二叉树，而完全二叉树很容易就存储在数组中。位置 k 的节点的父节点位置为 k/2，而它的两个子节点的位置分别为 2k 和 2k+1。这里不使用数组索引为 0 的位置，是为了更清晰地描述节点的位置关系。 -

+

```java public class Heap> { @@ -682,7 +682,7 @@ public class Heap> { 在堆中，当一个节点比父节点大，那么需要交换这个两个节点。交换后还可能比它新的父节点大，因此需要不断地进行比较和交换操作，把这种操作称为上浮。 -

+

```java private void swim(int k) { @@ -695,7 +695,7 @@ private void swim(int k) { 类似地，当一个节点比子节点来得小，也需要不断地向下进行比较和交换操作，把这种操作称为下沉。一个节点如果有两个子节点，应当与两个子节点中最大那个节点进行交换。 -

+

```java private void sink(int k) { @@ -744,15 +744,13 @@ public T delMax() { 无序数组建立堆最直接的方法是从左到右遍历数组进行上浮操作。一个更高效的方法是从右至左进行下沉操作，如果一个节点的两个节点都已经是堆有序，那么进行下沉操作可以使得这个节点为根节点的堆有序。叶子节点不需要进行下沉操作，可以忽略叶子节点的元素，因此只需要遍历一半的元素即可。 -

+

#### 5.2 交换堆顶元素与最后一个元素 交换之后需要进行下沉操作维持堆的有序状态。 -

- -

+

```java public class HeapSort> extends Sort { @@ -2045,7 +2043,7 @@ public class Transaction { 对于 N 个键，M 条链表 (N>M)，如果哈希函数能够满足均匀性的条件，每条链表的大小趋向于 N/M，因此未命中的查找和插入操作所需要的比较次数为 \~N/M。 -

+

### 3. 线性探测法 @@ -2053,7 +2051,7 @@ public class Transaction { 使用线性探测法，数组的大小 M 应当大于键的个数 N（M>N)。 -

+

```java public class LinearProbingHashST implements UnorderedST { @@ -2154,7 +2152,7 @@ public void delete(Key key) { 线性探测法的成本取决于连续条目的长度，连续条目也叫聚簇。当聚簇很长时，在查找和插入时也需要进行很多次探测。例如下图中 2\~5 位置就是一个聚簇。 -

+

α = N/M，把 α 称为使用率。理论证明，当 α 小于 1/2 时探测的预计次数只在 1.5 到 2.5 之间。为了保证散列表的性能，应当调整数组的大小，使得 α 在 [1/4, 1/2] 之间。 diff --git a/docs/pics/10.gif b/docs/pics/10.gif index d52a911e..df380209 100644 Binary files a/docs/pics/10.gif and b/docs/pics/10.gif differ diff --git a/docs/pics/101550406418006.gif b/docs/pics/101550406418006.gif new file mode 100644 index 00000000..df380209 Binary files /dev/null and b/docs/pics/101550406418006.gif differ diff --git a/docs/pics/11.gif b/docs/pics/11.gif index 5d9c6f00..ce296a05 100644 Binary files a/docs/pics/11.gif and b/docs/pics/11.gif differ diff --git a/docs/pics/111550407277293.gif b/docs/pics/111550407277293.gif new file mode 100644 index 00000000..ce296a05 Binary files /dev/null and b/docs/pics/111550407277293.gif differ diff --git a/docs/pics/11_200.png b/docs/pics/11_200.png new file mode 100644 index 00000000..42966322 Binary files /dev/null and b/docs/pics/11_200.png differ diff --git a/docs/pics/121550407878282.gif b/docs/pics/121550407878282.gif new file mode 100644 index 00000000..5a17a553 Binary files /dev/null and b/docs/pics/121550407878282.gif differ diff --git a/docs/pics/81550405360028.gif b/docs/pics/81550405360028.gif new file mode 100644 index 00000000..7960c782 Binary files /dev/null and b/docs/pics/81550405360028.gif differ diff --git a/docs/pics/8_200.png b/docs/pics/8_200.png new file mode 100644 index 00000000..af9d663a Binary files /dev/null and b/docs/pics/8_200.png differ diff --git a/docs/pics/9.gif b/docs/pics/9.gif index f81aa264..2409a299 100644 Binary files a/docs/pics/9.gif and b/docs/pics/9.gif differ diff --git a/docs/pics/91550405374894.gif b/docs/pics/91550405374894.gif new file mode 100644 index 00000000..2409a299 Binary files /dev/null and b/docs/pics/91550405374894.gif differ diff --git a/docs/pics/9_200.png b/docs/pics/9_200.png new file mode 100644 index 00000000..4cf0f56d Binary files /dev/null and b/docs/pics/9_200.png differ