Submission #841028

#	Time	Username	Problem	Language	Result	Execution time	Memory
841028		jhwest2	Longest Trip (IOI23_longesttrip)	C++17	15 / 100	10 ms	296 KiB

longesttrip

#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> longest_trip(int N, int D)
{
	if (D == 3) {
		vector<int> res(N);
		iota(res.begin(), res.end(), 0);
		return res;
	}
	if (D == 2) {
		deque<int> dq = {0};
		vector<bool> chk(N);
		for (int i = 1; i < N; i++) {
			if (are_connected({0}, {i})) {
				dq.push_back(i);
				chk[i] = true;
				break;
			}
		}
		for (int i = 1; i < N; i++) {
			if (chk[i]) continue;
			if (are_connected({i}, {dq.back()}))
				dq.push_back(i);
			else
				dq.push_front(i);
		}
		return vector<int>(dq.begin(), dq.end());
	}
	return {0};
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60