- 2023-05-201086 Tree Traversals Again
题目：Aninorderbinarytreetraversalcanbeimplementedinanon-recursivewaywithastack.Forexample,supposethatwhena6-nodebinarytree(withthekeysnumberedfrom1to6)istraversed,thestackoperationsare:push(1);push(2);push(3);pop();
- 2023-05-161020 Tree Traversals
题目：Supposethatallthekeysinabinarytreearedistinctpositiveintegers.Giventhepostorderandinordertraversalsequences,youaresupposedtooutputthelevelordertraversalsequenceofthecorrespondingbinarytree.InputSpecification:Eachi
- 2023-04-201020 Tree Traversals
Supposethatallthekeysinabinarytreearedistinctpositiveintegers.Giventhepostorderandinordertraversalsequences,youaresupposedtooutputthelevelordertraversalsequenceofthecorrespondingbinarytree.InputSpecification:Eachinput