Mega Code Archive
A classical stack operation using a string of characters
<![CDATA[
#include <iostream>
#include <string.h>
using namespace std;
#define maxlen 80
class stack {
char str1[maxlen];
int first;
public:
void clear(void);
char top(void);
int empty(void);
int full(void);
void push(char chr);
char pop(void);
};
void stack::clear(void)
{
first=0;
}
char stack::top(void)
{
return (str1[first]);
}
int stack::empty(void)
{
return (first==0);
}
int stack::full(void)
{
return (first==maxlen-1);
}
void stack::push(char chr)
{
str1[++first]=chr;
}
char stack::pop(void)
{
return (str1[first-1]);
}
main( )
{
stack mystack;
char str[11]="0123456789";
mystack.clear( );
for(int i=0; (int) i<strlen(str);i++) {
if (!mystack.full( ))
mystack.push(str[i]);
cout << str[i] << endl;
}
while (!mystack.empty( ))
cout << mystack.pop( ) << endl;
return (0);
}
]]>