Write a program in C++ that repeatedly reads infix expressions from the input file and converts each expression to its postfix equivalent, prints the original expression followed by the postfix form and evaluates each postfix expression form and prints th...
A function to print out the mathematical expression from a parse tree in postfix and infix notations. Part 1: Parsing the tree The first step in building a parse tree is to break up the expression string into a vector of tokens. There are four ...
请高人帮忙啊...Write a simple calculator program that takes as input an infix expression, and outputs the equivalent postfix expression and the evaluation of the infix expression. Assume that the input may contain (floating) numbers, arithmetic operations +,-,*, and /, as well as parentheses....
printf("Enter the valid infix string:"); gets(infix);//User enters the infix expression convertip(infix,postfix); printf("The corresponding postfix string is:\n"); puts(postfix);//Program prints the output postfix statement getche();//For stopping theexecutionof program after akeystroke...