after watch new overrated series Squid Game Mashtali Soroush decide hold Squid Games Soroush agree host provide money winner prize Mashtali Front Manm player register play game win great prize Mashtali find huge winner prize going decide kill eliminate player money himselfHere evil Mashtali go eliminate playersThere unrooted tree n vertex every player 2 special vertex x_i y_iin operation Mashtali choose vertex v tree then remain player find vertex w simple path x_i y_i close v if wne x_i wne y_i player eliminatedNow Mashtali wonder what minimum number operation I perform I remove player game money myselfsince think money could not solve problem ask help