Binary Tree – 步步发财

Encode N-ary Tree to Binary Tree – Python 3 (Week 13 – 01)

Time O(h). Space O(h).

Minimum Depth of Binary Tree – Python 3 (Week 12 – 20)

Time O(d). Space O(d).

Find Leaves of Binary Tree – Python 3 (Week 12 – 18)

Time O(n). Space O(n).

Binary Tree Upside Down – Python 3 (Week 12 – 16)

Time O(h). Space O(h).

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