Submission #138407

#	Time	Username	Problem	Language	Result	Execution time	Memory
138407		arthurconmy	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	152 ms	10728 KiB

railroad

#include <bits/stdc++.h>
#ifndef ARTHUR_LOCAL
	#include "railroad.h"
#endif
using namespace std;
using ll=long long;

const int MAXN = 200000;

ll plan_roller_coaster(vector<int> s, vector<int> t) 
{
	int n = s.size();

	vector<pair<int,int>> ST;

	for(int i=0; i<n; i++)
	{
		ST.push_back({s[i],t[i]});
	}

	sort(ST.begin(),ST.end());

	vector<int> vals;

	for(int i=0; i<n; i++)
	{
		int k = lower_bound(ST.begin(),ST.end(),make_pair(ST[i].second,0)) - ST.begin();
		// if(TS[0].first > TS[i].second) vals.push_back(-1);
		vals.push_back(k);
	}

	sort(vals.begin(),vals.end());

	int offences=0;

	for(int i=0; i<n; i++)
	{
		// cout << i << " " << vals[i] << endl;
		if(vals[i] > i) offences++;
	}

	if(offences>1) return 1;
	return 0;
}

#ifdef ARTHUR_LOCAL
	int main()
	{
		plan_roller_coaster({10,10,10},{2,1,3});
	}
#endif

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36