controler.cpp

建立表达式语法树及相关操作

#include <iostream>
using namespace std;
#include "ExprTree.h"
#include <String>


void main()
{
	string formula;
	ExprTree aTree;
	cout <<"Please enter the expression fomula:";
	cin >>formula;
	formula[formula.length()]='#';
	aTree.generateTree(formula);
	cout<<"\nThe result is:  "<<aTree.TraversalSum(aTree.t);
	cout<<"\n The Traversal is(a thwart Binary Tree)\n ";
	aTree.printtree(aTree.t,0);
	cin.clear();     
    cin.ignore(); 
	char a=cin.get();

}