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Merge branch 'krahets:master' into master

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Daniel
2023-01-09 11:05:01 +11:00
committed by GitHub
parent f29f6c460e 97ee638d31
commit 8154ba83a4
93 changed files with 2147 additions and 1124 deletions
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codes/typescript/module/TreeNode.ts
+4 -4
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@@ -20,7 +20,7 @@ class TreeNode {
}
/**
* Generate a binary tree with an array
* Generate a binary tree given an array
* @param arr
* @return
*/
@@ -31,19 +31,19 @@ function arrToTree(arr: (number | null)[]): TreeNode | null {
const root = new TreeNode(arr[0] as number);
const queue = [root];
let i = 1;
let i = 0;
while (queue.length) {
let node = queue.shift() as TreeNode;
if (++i >= arr.length) break;
if (arr[i] !== null) {
node.left = new TreeNode(arr[i] as number);
queue.push(node.left);
}
i++;
if (++i >= arr.length) break;
if (arr[i] !== null) {
node.right = new TreeNode(arr[i] as number);
queue.push(node.right);
}
i++;
}
return root;
}