Initial commit

c++/Others/A classical stack operation using a string of characters.cpp

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+A classical stack operation using a string of characters.
+#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);
+}