Submission #1105002

#	Time	Username	Problem	Language	Result	Execution time	Memory
1105002		Gr1sen	Longest Trip (IOI23_longesttrip)	C++17	5 / 100	11 ms	504 KiB

longesttrip

#include "longesttrip.h"
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

#define ll long long
#define vi vector<int>
#define concatenate(v1,v2) v1.insert(v1.end(), v2.begin(), v2.end());

vector<int> longest_trip(int N, int D) {
	//cerr << "oink" << endl;
    vi path1 = {0}, path2;
    int i = 1;
    while (i < N) {
      	//cerr << i << endl;
        if (are_connected({i}, {path1.back()})) {
          	path1.push_back(i);
            if (!path2.empty() && are_connected({i}, {path2.back()})) {
            	concatenate(path1, path2);
                path2.clear();
          	}
            i++;
            continue;
        }
        path2.push_back(i);
        if (path1.size() < path2.size()) swap(path1, path2);
        i++;
    }
    return path1;
}

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