DataStructure and Algorithms Solutions with Supercool 💯
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Problem Of The Day
"Construct Binary Tree from String with bracket representation"
Solve the problem to win points
Construct a binary tree from a string consisting of parenthesis and integers. The whole input represents a binary tree. It contains an integer followed by zero, one or two pairs of parenthesis. The integer represents the roots value and a pair of parenthesis contains a child binary tree with the same structure. Always start to construct the left child node of the parent first if it exists.
Example 1:
Input: "1(2)(3)"
Output: 2 1 3
Explanation:
1
/ \
2 3
Explanation: first pair of parenthesis contains
left subtree and second one contains the right
subtree. Inorder of above tree is "2 1 3".
Example 2:
Input: "4(2(3)(1))(6(5))"
Output: 3 2 1 4 5 6
Explanation:
4
/ \
2 6
/ \ /
3 1 5
Your Task:
You don't need to read input or print anything. Your task is to complete the function treeFromString() which takes a string str as input parameter and returns the root node of the tree.
Expected Time Complexity: O(N)
Expected Auxiliary Space: O(N)
Solve the problem
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Try to do it by yourself and keep your support on youtube guys 0🙏🙏🙏🙏🙏
I am going to start problem of the day play list on youtube where you all see the solution of the question Daily basics and their related topics notes too!😇 So plz share with your frnds, brothers and sisters form .
am going to start problem of the day play list on youtube where you all see the solution of the question and notes also so plz share with your frnds , brothers and sisters form i will upload the videos
