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see http://stackoverflow.com/questions/6531543/efficient-implementation-of-binary-heaps
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You have written the function d-ARY-CHILD(i, j) in par. a, in par.c you are using d-ARY-CHILD(k, i), which is not correct. It should be d-ARY-CHILD(i, k). Moreover, I find no sense in using two if-cla…
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### What is the expected enhancement?
Investigate if switching to a `QuaternaryHeap` from https://docs.rs/dary_heap/latest/dary_heap/type.QuaternaryHeap.html boosts performance. I had Dijkstr…
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`String.new` の `:capacity` の説明ですが、
> 内部バッファのサイズを指定します。指定することで、なんども文字列連結する (そしてreallocがなんども呼ばれる)ときのパフォーマンスが改善されるかもしれません。省略した場合、引数stringのバイト数が127未満であれば127、それ以上であればstring.bytesizeになります。
以前のバージョンでの仕…
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- [ ] Description
A clear and concise description of request/enhancement.
- [ ] Use cases
1. Save the world.
2. Stop the imposter.
3. ....
- [ ] Proposed design
A clear an…
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Hi @Vasfed, thanks so much for making this tool. We're getting major segfaults however. Here are the facts:
- the segfault only occurs when we hit our Rails application in development or production mo…
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This may also help to close #9
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I was experimenting when making `Func#call` faster, and noticed there is a decent performance win by avoiding `rb_ary_push`. It requires a bit of unsafe code, but I believe the implemntation is sound:…
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# 树
## 二叉树
演示demo:https://visualgo.net/zh/bst
- 前序遍历 根-左-右
```java
/**
* Definition for a binary tree node.
* public class TreeNode {
* int val;
* TreeNode left;
* TreeNod…