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krahets
2023-04-14 04:01:38 +08:00
parent cf431646e9
commit 4d318e8e6b
26 changed files with 469 additions and 295 deletions
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chapter_computational_complexity/space_complexity.md
+14 -8
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@@ -978,7 +978,8 @@ $$
/* 线性阶（递归实现） */
void linearRecur(int n) {
System.out.println("递归 n = " + n);
if (n == 1) return;
if (n == 1)
return;
linearRecur(n - 1);
}
```
@@ -989,7 +990,8 @@ $$
/* 线性阶（递归实现） */
void linearRecur(int n) {
cout << "递归 n = " << n << endl;
if (n == 1) return;
if (n == 1)
return;
linearRecur(n - 1);
}
```
@@ -1254,7 +1256,8 @@ $$
```java title="space_complexity.java"
/* 平方阶（递归实现） */
int quadraticRecur(int n) {
if (n <= 0) return 0;
if (n <= 0)
return 0;
// 数组 nums 长度为 n, n-1, ..., 2, 1
int[] nums = new int[n];
System.out.println("递归 n = " + n + " 中的 nums 长度 = " + nums.length);
@@ -1267,7 +1270,8 @@ $$
```cpp title="space_complexity.cpp"
/* 平方阶（递归实现） */
int quadraticRecur(int n) {
if (n <= 0) return 0;
if (n <= 0)
return 0;
vector<int> nums(n);
cout << "递归 n = " << n << " 中的 nums 长度 = " << nums.size() << endl;
return quadraticRecur(n - 1);
@@ -1384,7 +1388,8 @@ $$
```java title="space_complexity.java"
/* 指数阶（建立满二叉树） */
TreeNode buildTree(int n) {
if (n == 0) return null;
if (n == 0)
return null;
TreeNode root = new TreeNode(0);
root.left = buildTree(n - 1);
root.right = buildTree(n - 1);
@@ -1396,9 +1401,10 @@ $$
```cpp title="space_complexity.cpp"
/* 指数阶（建立满二叉树） */
TreeNode* buildTree(int n) {
if (n == 0) return nullptr;
TreeNode* root = new TreeNode(0);
TreeNode *buildTree(int n) {
if (n == 0)
return nullptr;
TreeNode *root = new TreeNode(0);
root->left = buildTree(n - 1);
root->right = buildTree(n - 1);
return root;