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Day10

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This commit is contained in:
Electrominch
2022-10-12 02:30:23 +03:00
parent 02afed9c4c
commit 01c5720116
39 changed files with 517 additions and 30 deletions
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31
617. Merge Two Binary Trees/Solution.cs Normal file
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namespace _617._Merge_Two_Binary_Trees;
public class Solution
{
public TreeNode? MergeTrees(TreeNode root1, TreeNode root2)
{
if (root1 == null && root2 == null)
return null;
else if (root1 == null)
return root2;
else if (root2 == null)
return root1;
var res = new TreeNode();
RecursionMerge(res, root1, root2);
return res;
}
private void RecursionMerge(TreeNode cur, TreeNode? t1, TreeNode? t2)
{
if (t1 != null)
cur.val += t1.val;
if (t2 != null)
cur.val += t2.val;
cur.left = (t1?.left != null || t2?.left != null) ? new TreeNode() : null;
cur.right = (t1?.right != null || t2?.right != null) ? new TreeNode() : null;
if (cur.left != null)
RecursionMerge(cur.left, t1?.left, t2?.left);
if (cur.right != null)
RecursionMerge(cur.right, t1?.right, t2?.right);
}
}