Uttrakhand Asst. Professor Exam-39
If the post order traversal of tree gives $ab - cd * +$, then the label of the nodes A, B, C, ......, G will be a, -, b, +, c, *, d +, -, *, a, b, c, d -, a, +, b, c, d, * a, b, c, d, -, *, +
If the post order traversal of treegives $ab - cd * +$, then the label of the nodes A, B, C, ......, G will bea, -, b, +, c, *, d+, -, *, a, b, c, d-, a, +, b, c, d, *a, ...