#include <iostream>
#include <string>
#include <vector>
#include <cstdlib>
#include <ctime>
#include <thread>
#include <chrono>

int main() {
std::string target = "hello world";
std::string current = "";
std::vector<char>charset;

for (char c = 'a'; c <= 'z'; ++c)
charset.push_back(c);
charset.push_back(' ');

srand(static_cast<unsigned int>(time(0)));
int i = 0;
while (current != target) {
char guess = charset[rand() % charset.size()];
std::string temp = current + guess;
std::cout << "\r" << temp << std::flush;
std::this_thread::sleep_for(std::chrono::milliseconds(50));
if (guess == target ) {
current += guess;
i++;

}
}
std::cout << "\nDone:" << current << std::endl;
return 0;
}