Submission #960802

#	Time	Username	Problem	Language	Result	Execution time	Memory
960802		12345678	가장 긴 여행 (IOI23_longesttrip)	C++17	15 / 100	773 ms	2044 KiB

longesttrip

#include "longesttrip.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=305;

int qrs[nx][nx];

int query(int i, int j)
{
    if (i>j) swap(i, j);
    return qrs[i][j];
}

std::vector<int> longest_trip(int N, int D)
{
    for (int i=0; i<N; i++) for (int j=i+1; j<N; j++) qrs[i][j]=are_connected(vector<int> {i}, vector<int> {j});
    deque<int> dq;
    for (int i=0; i<N; i++) dq.push_back(i);
    for (int i=0; i<N-2; i++) if (!query(dq[i], dq[i+1])) swap(dq[i+1], dq[i+2]);
    if (!query(dq[N-2], dq[N-1])) dq.pop_front(), dq.push_back(0), swap(dq.back(), dq[dq.size()-2]);
    vector<int> res;
    for (int i=0; i<N; i++) res.push_back(dq[i]);
    return res;
}

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