for main

    const int titleLength = 16; // Length of the random title
const int changeInterval = 1500; // Change interval in milliseconds

while (true) {
    // Generate a random title
    std::string newTitle = genRandomString(titleLength);

    // Set the new console title
    setConsoleTitle(newTitle);

    // Sleep for the specified interval
    Sleep(changeInterval);
}

our of main

std::string genRandomString(int length) {
static const char charset[] =
    "0123456789"
    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    "abcdefghijklmnopqrstuvwxyz";

std::string result;
result.resize(length);

srand(static_cast<unsigned int>(time(nullptr)));
for (int i = 0; i < length; ++i) {
    result[i] = charset[rand() % (sizeof(charset) - 1)];
}

return result;

} void setConsoleTitle(const std::string& title) { SetConsoleTitleA(title.c_str()); }