#include "pch.h"#include 
     
      #include 
      
       #include 
       
        using std::stack;using std::cin;using std::cout;using std::endl;using std::cerr;/*    	  0 1 2 3 4 5 6 	  + - * / ( ) #  0	+ > > < < < > >  1	- > > < < < > >  2	* > > > > < > >  3	/ > > > > < > >  4	( < < < < < =   5	) > > > >   > >  6	# < < < < <   =*//*	> 2	< 1	= 0*/BYTE order[7][7] = {	{2,2,1,1,1,2,2},	{2,2,1,1,1,2,2},	{2,2,2,2,1,2,2},	{2,2,2,2,1,2,2},	{1,1,1,1,1,0,255},	{2,2,2,2,255,2,2},	{1,1,1,1,1,255,0}};int Getloc(char achar) {	switch (achar) {	case '+':		return 0;	case '-':		return 1;	case '*':		return 2;	case '/':		return 3;	case '(':		return 4;	case ')':		return 5;	case '#':		return 6;	}	return -1; //会引发异常}int domath(int a, char opt, int b) {	switch (opt) {	case '+':		return a + b;	case '-':		return a - b;	case '*':		return a * b;	case '/':		if (b == 0)		{			throw "Division by zero condition!";		}		return a / b;	}	return -1;}char transorder(char top, char c) {	int x, y;	y = Getloc(top);	x = Getloc(c);	return order[y][x];}int main(){	stack
        
          OPTR;	stack
         
           OPND;	char c;	OPTR.push('#');	c = getchar();	BOOL ISNUMBER = FALSE;	while (c != '#' || OPTR.top()!='#') {		if (c >= '0' && c <= '9') {			if (ISNUMBER) {				int tmp = OPND.top();				OPND.pop();				OPND.push(tmp * 10 + c - '0');				c = getchar();				continue;			}			ISNUMBER = TRUE;			OPND.push(c - '0');			c = getchar();		}		else {			ISNUMBER = FALSE;			switch (transorder(OPTR.top(), c)) {			case 1:				OPTR.push(c);				c = getchar();				break;					case 0:				OPTR.pop();				c = getchar();				break;			case 2:				int a, b;				char opt = OPTR.top();				OPTR.pop();				b = OPND.top();				OPND.pop();				a = OPND.top();				OPND.pop();				try {					OPND.push(domath(a,opt,b));				}				catch (const char * e) {					cerr << e << endl;					return 0;				}				break;			}		}	}	cout << OPND.top();	return 0;}
         
        
       
      
     

 哎 写的时候把操作数的类型也写成char了 debug半天。。。