Submission #971926

#	Time	Username	Problem	Language	Result	Execution time	Memory
971926		thinknoexit	가장 긴 여행 (IOI23_longesttrip)	C++17	5 / 100	7 ms	600 KiB

longesttrip

#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
using ll = long long;
int n;
vector<int> longest_trip(int N, int D) {
    n = N;
    vector<int> p1, p2;
    p1.push_back(0);
    for (int i = 1;i < n;i++) {
        if (are_connected({ p1.back() }, { i })) p1.push_back(i);
        else {
            p2.push_back(i);
            break;
        }
    }
    if ((int)p1.size() == n) return p1;
    for (int i = p2.back() + 1;i < n;i++) {
        if (are_connected({ p1.back() }, { p2.back(), i })) {
            p1.push_back(i);
        }
        else {
            p2.push_back(i);
        }
    }
    if (p1.size() > p2.size()) return p1;
    return p2;
}

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