void main() {
char rnd[128];
::sprintf(rnd, “3n + 1 conjecture”);
unsigned char hash[32];
CSHA256().Write((const unsigned char *)rnd, ::strlen(rnd)).Finalize(hash);
hex_printf(&hash);
}
result hash (“3n + 1 conjecture”, Sigma1, Sigma0 fixed in k, sha256):
0x1e096ff4b1ec2053ba810f9721bb84561cc9f5a1630f7226debca62137f770c3 — (18)