 Finally, the preferred arm is broadcast in a decentralized fashion to other agents through {\em pure exploitation} in (N-1)K rounds with N agents and K arms.
<meaning-changed>  Finally, the preferred arm is broadcast in a decentralized fashion to other agents through {\em pure exploitation} in (N-1)K rounds with N agents and K arms.
 Finally, the preferred arm is broadcast in a decentralized fashion , their estimated preferred arms through {\em pure exploitation} in (N-1)K rounds with N agents and K arms.