CF: 381Div1 ( Sack, DSU on Tree )
CF: 381Div1 ( Sack, DSU on Tree ) ///==================================================/// /// HELLO WORLD !! /// /// IT'S ME /// /// BISHAL GAUTAM /// /// [ bsal.gautam16@gmail.com ] /// ///==================================================/// #include<bits/stdc++.h> # define X first # define Y second # define mpp make_pair # define nl printf("\n") # define SZ ( x ) (int)(x.size()) # define pb ( x ) push_back(x) # define pii pair<int,int> # define pll pair<ll,ll> # define OnBit ( i ) __builtin_popcount(i) ///----------------------------------- # define S ( a ) scanf("%d",&a) # define P ( a ) printf("%d",a) # define SL ( a ) scanf("%lld",&a) # define S2 ( a,b ) scanf("%d%d",&a,&b) # define SL2 ( a,b ) scanf("%lld%lld",&a,&b) ///-----...