Codeforces Round #603 (Div. 2) D. Secret Passwords(并查集)
链接:https://codeforces.com/contest/1263/problem/D题意:Oneunknownhackerwantstogettheadmin'spasswordofAtForcestestingsystem,togetproblemsfromthenextcontest...
链接:https://codeforces.com/contest/1263/problem/D题意:Oneunknownhackerwantstogettheadmin'spasswordofAtForcestestingsystem,togetproblemsfromthenextcontest...