제출 #878560

#제출 시각아이디문제언어결과실행 시간메모리
878560thinknoexit가장 긴 여행 (IOI23_longesttrip)C++17
5 / 100
764 ms592 KiB
#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
using ll = long long;
int n, d;
bool adj[256][256];
vector<int> longest_trip(int N, int D) {
    n = N;
    d = D;
    memset(adj, 0, sizeof adj);
    for (int i = 0;i < n;i++) {
        for (int j = i + 1;j < n;j++) {
            adj[i][j] = adj[j][i] = are_connected({ i }, { j });
        }
    }
    queue<int> q;
    for (int i = 1;i < n;i++) {
        q.push(i);
    }
    deque<int> ans;
    ans.push_back(0);
    while (!q.empty()) {
        if (adj[ans.back()][q.front()]) {
            ans.push_back(q.front());
            q.pop();
        }
        else {
            ans.push_front(q.front());
            q.pop();
        }
    }
    vector<int> Ans;
    while (!ans.empty()) Ans.push_back(ans.front()), ans.pop_front();
    return Ans;
}
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