caculate.cpp

能够进行大数运算

#include "caculate.h"
#include "error.h"
#include<stack>
#include<iostream>
using namespace std;


int main()
{	
	char c,q;
	do{
		stack<int> as,bs;
		do
		{
			cin>>c;
			as.push(c-'0');
		}while(c!='q');
		do
		{
			cin>>c;
			bs.push(c-'0');
		}while(c!='q');
		int N1,N2;
		N1=as.size()-1;
		N2=bs.size()-1;
		Array1D<int> a(N1),b(N2);
		as.pop();
		bs.pop();
		for(int i=0;i<N1;i++)
		{
			a[i]=as.top();
			as.pop();
		}
		for( i=0;i<N2;i++)
		{
			b[i]=bs.top();
			bs.pop();
		}

		cout<<"a+b="<<a+b<<endl;
		cout<<"a-b="<<a-b<<endl;
		cout<<"a*b="<<a*b<<endl;
		if(b[b.Size()-1]==0&&b.Size()==1) cout<<"除数不能为零！"<<endl; 
		return 0;
		cout<<"a/b="<<div(a,b)<<endl;
		cout<<"a%b="<<mod(a,b)<<endl;
		cout<<"please press 'q' to exit or other keys to continue!"<<endl;
		cin>>q;
	}while(q!='q');
   return 0;
}