제출 #309211

#제출 시각아이디문제언어결과실행 시간메모리
309211cgiosyRoller Coaster Railroad (IOI16_railroad)C++17
0 / 100
98 ms4344 KiB
#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;
}
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