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POJ1577 Falling Leaves

10-22

POJ2309 BST

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POJ3481 Double Queue

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POJ2568 Decode the Tree

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POJ1785 Binary Search Heap Construction

09-18

POJ1650 OpenJ_Bailian1650 ZOJ1601 Integer Approximation

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POJ2255 OpenJ_Bailian2255 ZOJ1944 HRBUST2022 Tree Recovery

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POJ2499 Binary Tree

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UvaLive3821 POJ3437 ZOJ2885 Tree Grafting

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UVa00712 UvaLive5665 POJ1105 OpenJ_Bailian1105 ZOJ1150 S-Trees