#include "railroad.h"
#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;
const int INF = 1e9 + 7;
ll plan_roller_coaster(vi s, vi t) {
int n = SZ(s);
V<array<int, 3>> tt;
tt.PB({-INF, -1, -1});
tt.PB({INF, 1, -2});
for(int i = 0; i < n; i++) {
tt.PB({s[i], -1, i});
tt.PB({t[i], 1, i});
}
sort(ALL(tt));
ll ss = 0;
for(int i = 0; i < SZ(tt); i++) {
ss += tt[i][1];
if(ss > 0) return 0;
if(ss == 0 && i + 2 < SZ(tt) && tt[i + 1][2] == tt[i + 2][2])
return 0;
}
return 330;
}
