Author: Óscar Garries
Official Editorial: https://ioinformatics.org/page/ioi-2010/36
C++
#include "traffic.h"#include <bits/stdc++.h> using namespace std;const int MX = 1e6;const int INF = 2e9 + 1; int fans = 0; vector<int> g[MX], nodes(MX), people(MX), children(MX);