f**AK**e
by _l_l_ @ 2020-06-21 19:32:03
`[](const pair<vector<pair<int,LL> > ,int>&x, const pair<vector<pair<int,LL> > ,int>&y) {return x.second < y.second;}`
by rtx2080ti @ 2020-06-21 20:25:03