#include <iostream>
#include <iomanip>
#include <string.h>
using namespace std;
class String {
public:
char *operator +(char *append_str)
{ return(strcat(buffer, append_str)); };
char *operator -(char letter);
String(char *string)
{ strcpy(buffer, string);
length = strlen(buffer); }
void show_string(void) { cout << buffer; };
private:
char buffer[256];
int length;
};
char *String::operator -(char letter)
{
char target[256];
int i, j;
for (i = 0, j = 0; buffer[j]; j++)
if (buffer[j] != letter)
target[i++] = buffer[j];
target[i] = NULL;
for (i = 0, j = 0; (buffer[j] = target[i]); i++, j++)
;
return(buffer);
}
int main(void)
{
String title("C");
title = title + "B\n";
title.show_string();
title = title - '0';
title.show_string();
}
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