#include #include int main(int argc, char** argv) { (void) argc; (void) argv; time_t now = time(nullptr); auto* tm = localtime(&now); printf("%4u-%02u-%02u %02u:%02u:%02u\n", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); return 0; }