POI 2011 - Lightning Conductor

Andi's Code

Oops TL seems sorta tight to pass $\mathcal{O}(N\log N)$ ...

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#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;
using db = double;
using str = string;  // yay python!

using pi = pair<int, int>;
using pl = pair<ll, ll>;