Submission #309211

#	Time	Username	Problem	Language	Result	Execution time	Memory
309211		cgiosy	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	98 ms	4344 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=0;
	for(int i:X) {
		if(e<=S[i]) e=E[i];
		else if(s<E[i]) return 1;
		s=S[i];
	}
	return 0;
}

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