//Bismillahirrahmanirrahim
#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long lo;
typedef pair< lo,lo > PII;
typedef pair< lo,PII > PIII;
#define fi first
#define se second
#define mp make_pair
#define endl "\n"
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
const lo inf = 1000000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;
int m,b[li],a[li],k,flag,t;
int cev;
set<PIII> st;
string s;
vector<int> v;
long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
int n = (int) s.size();
for(int i=0;i<n;i++){
st.insert({-t[i]+s[i],{-t[i],s[i]}});
}
flag=0;
auto it=st.begin();
int last=0;
while(st.size()){
it=st.begin();
PIII p=*it;
st.erase(it);
//~ it=st.lower_bound({{p.se,-inf});
if(p.se.se<last){flag=1;break;}
//~ int last=p.se.fi;
}
return flag;
}
