Submission #309214

#	Time	Username	Problem	Language	Result	Execution time	Memory
309214		cgiosy	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	99 ms	4376 KiB

railroad

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

ll plan_roller_coaster(vector<int> S, vector<int> E) {
	const int N=S.size();
	vector<int> X(N);
	iota(X.begin(), X.end(), 0);
	sort(X.begin(), X.end(), [&](int i, int j) { return S[i]<S[j]; });
	int s=1e9, e=1e9;
	for(int i:X) {
		if(E[i]<=s) e=min(e, E[i]);
		else if(S[i]<e) return 1;
		s=S[i];
	}
	return 0;
}

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