…that he did evthing from heart…even programming. Search for something in this C++ program.
#include<iostream.h>
#include<conio.h>const int SZ = 20 ;
class stack
{
int st[SZ] ;
int top ;public :
stack() { top = -1 ; }
void push(int c) { st[++top] = c ; }
int pop() { return st[top–] ; }} ;
void main()
{
stack s ;
int a, b ;
char ch ;
clrscr() ;cout << “Enter the postfix expression\n” ;
while((ch = getche()) != ‘\r’)
{
if(ch >= 48 && ch <= 57)
{
s.push(ch – ‘0’) ;
cout << ” ” ;
continue ;
}b = s.pop() ;
a = s.pop() ;switch(ch)
{
case ‘+’ :
s.push(a + b) ;
break ;
case ‘-‘ :
s.push(a – b) ;
break ;
case ‘*’ :
s.push(a * b) ;
break ;
case ‘/’ :
s.push(a / b) ;
break ;
default:
cout << “U entered illeagal value fucker !” ;
}cout << ” ” ;
}
cout << “\nAns. ” << s.pop() ;
getch() ;
}