Means the number of opening parenthesis

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Reference no: EM131961491

Write program that takes as input an arithmetic expression and should do the following:

1. Check that the expression is well formed: that means the number of opening parenthesis '(' is equal to closing ones, the operands are numeric characters, the operators are +, -, * or /.

2. Build the expression tree based on the arithmetic expression. This will take into consideration the priority of some operators over the others. Each node in the tree has as value a number or a string. In particular, leaf nodes have number values while intermediary nodes have a string value.

3. Evaluate the outcome of the whole expression by traversing the tree (using one variant of depth-first search) starting with leaf nodes and evaluating each branch until you get the result.

Reference no: EM131961491

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