Forum: c++ knäcka

/* enum.cpp */
#include <cstdio>
#include <cstring>
#include <string>
#include <iostream>
 
void enumerate(const char *pattern, char first, char last, char wild=''_'') {
 
    std::string counter = pattern;
    bool done = false;
 
    std::replace(counter.begin(), counter.end(), wild, first);
 
    while (!done) {
        printf("%s\n", counter.c_str());
        for (int i = counter.size() - 1; i >= 0; i--) {
            if (pattern[i] != wild) {
                continue;
            } else if (counter[i] == last) {
                if (i == 0)
                    done = true;
                else
                    counter[i] = first;
            } else {
                counter[i]++;
                break;
            }
        }
    }
 
}
 
 
int main()
{
    enumerate("_y__", ''a'', ''z'');
    return 0;
}