답안 #895406

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
895406 2023-12-29T21:40:07 Z vjudge1 가장 긴 여행 (IOI23_longesttrip) C++17
60 / 100
810 ms 2244 KB
#include "longesttrip.h"
#include <vector>
#include <cstdio>
#include <algorithm>
using namespace std;
 
//  <|°_°|>
 
const int MAX_NODES = 256;
 
bool Edge[MAX_NODES][MAX_NODES];
vector <int> Adj[MAX_NODES];
 
vector <int> Path;
 
int Seen[MAX_NODES];
 
int Dfs(int node) {
    if (Seen[node])
        return 0;
    Path.push_back(node);
    int ans = Seen[node] = 1;
    for (int dest : Adj[node])
        ans += Dfs(dest);
    return ans;
}
 
vector <int> longest_trip(int nbNodes, int density) {
    
    for (int i = 0; i < nbNodes; i ++)
    {
        Adj[i].clear();
        fill_n(Edge[i], nbNodes, 0);
    }
    Path.clear();
    fill_n(Seen, nbNodes, 0);
    for (int i = 0; i < nbNodes; i ++)
    {
        for (int j = i + 1; j < nbNodes; j ++)
        {
            if (are_connected({i}, {j}))
            {
                Edge[i][j] = Edge[j][i] = 1;
                Adj[i].push_back(j);
                Adj[j].push_back(i);
            }
        }
    }
    int n = Dfs(0);
    if (n != nbNodes)
    {
        int first = (2 * n) >= nbNodes;
        vector <int> v;
        for (int i = 0; i < nbNodes; i ++)
        {
            if (Seen[i] == first)
                v.push_back(i);
        }
        return v;
    }
    vector <int> v = {0};
    for (int a : Path)
    {
        if (!a)
            continue;
        if (Edge[v.back()][a])
            v.push_back(a);
        else if (Edge[v[0]][a])
        {
            reverse(v.begin(), v.end());
            v.push_back(a);
        }
        else
        {
            vector <int> nv;
            while (!Edge[a][v.back()])
            {
                nv.push_back(v.back());
                v.pop_back();
            }
            v.push_back(a);
            reverse(v.begin(), v.end());
            for (int a : nv)
                v.push_back(a);
        }
    }
    return v;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 183 ms 1656 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 24 ms 344 KB Output is correct
3 Correct 110 ms 856 KB Output is correct
4 Correct 348 ms 1008 KB Output is correct
5 Correct 700 ms 1368 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 24 ms 344 KB Output is correct
3 Correct 133 ms 868 KB Output is correct
4 Correct 321 ms 1488 KB Output is correct
5 Correct 686 ms 1196 KB Output is correct
6 Correct 7 ms 340 KB Output is correct
7 Correct 25 ms 344 KB Output is correct
8 Correct 115 ms 1112 KB Output is correct
9 Correct 242 ms 992 KB Output is correct
10 Correct 799 ms 1692 KB Output is correct
11 Correct 710 ms 1320 KB Output is correct
12 Correct 705 ms 1400 KB Output is correct
13 Correct 660 ms 1620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 22 ms 344 KB Output is correct
3 Correct 111 ms 600 KB Output is correct
4 Correct 341 ms 1104 KB Output is correct
5 Correct 687 ms 1188 KB Output is correct
6 Correct 6 ms 344 KB Output is correct
7 Correct 18 ms 344 KB Output is correct
8 Correct 114 ms 600 KB Output is correct
9 Correct 226 ms 968 KB Output is correct
10 Correct 706 ms 1616 KB Output is correct
11 Correct 689 ms 1188 KB Output is correct
12 Correct 686 ms 1368 KB Output is correct
13 Correct 677 ms 1620 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 10 ms 344 KB Output is correct
16 Correct 36 ms 344 KB Output is correct
17 Correct 63 ms 600 KB Output is correct
18 Correct 121 ms 856 KB Output is correct
19 Correct 226 ms 892 KB Output is correct
20 Correct 261 ms 1748 KB Output is correct
21 Correct 681 ms 1920 KB Output is correct
22 Correct 668 ms 1444 KB Output is correct
23 Correct 694 ms 1988 KB Output is correct
24 Correct 679 ms 2152 KB Output is correct
25 Correct 8 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 21 ms 344 KB Output is correct
28 Correct 19 ms 344 KB Output is correct
29 Correct 23 ms 344 KB Output is correct
30 Correct 157 ms 968 KB Output is correct
31 Correct 144 ms 964 KB Output is correct
32 Correct 148 ms 712 KB Output is correct
33 Correct 240 ms 640 KB Output is correct
34 Correct 245 ms 1112 KB Output is correct
35 Correct 248 ms 856 KB Output is correct
36 Correct 746 ms 1680 KB Output is correct
37 Correct 709 ms 1360 KB Output is correct
38 Correct 720 ms 1508 KB Output is correct
39 Correct 706 ms 1556 KB Output is correct
40 Correct 686 ms 1800 KB Output is correct
41 Correct 748 ms 1368 KB Output is correct
42 Correct 702 ms 1076 KB Output is correct
43 Correct 728 ms 1572 KB Output is correct
44 Correct 763 ms 1436 KB Output is correct
45 Correct 8 ms 344 KB Output is correct
46 Correct 8 ms 344 KB Output is correct
47 Correct 23 ms 344 KB Output is correct
48 Correct 24 ms 344 KB Output is correct
49 Correct 21 ms 344 KB Output is correct
50 Correct 167 ms 1220 KB Output is correct
51 Correct 145 ms 1224 KB Output is correct
52 Correct 185 ms 712 KB Output is correct
53 Correct 235 ms 600 KB Output is correct
54 Correct 282 ms 1112 KB Output is correct
55 Correct 287 ms 756 KB Output is correct
56 Correct 688 ms 1296 KB Output is correct
57 Correct 712 ms 1316 KB Output is correct
58 Correct 760 ms 1596 KB Output is correct
59 Correct 680 ms 1828 KB Output is correct
60 Correct 717 ms 1540 KB Output is correct
61 Correct 746 ms 1280 KB Output is correct
62 Correct 761 ms 1312 KB Output is correct
63 Correct 682 ms 1232 KB Output is correct
64 Correct 764 ms 1708 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 27 ms 344 KB Output is correct
3 Partially correct 115 ms 1112 KB Output is partially correct
4 Partially correct 360 ms 1004 KB Output is partially correct
5 Partially correct 696 ms 1836 KB Output is partially correct
6 Correct 6 ms 344 KB Output is correct
7 Correct 20 ms 344 KB Output is correct
8 Partially correct 113 ms 856 KB Output is partially correct
9 Partially correct 242 ms 1360 KB Output is partially correct
10 Partially correct 780 ms 1588 KB Output is partially correct
11 Partially correct 701 ms 1364 KB Output is partially correct
12 Partially correct 709 ms 1556 KB Output is partially correct
13 Partially correct 794 ms 1548 KB Output is partially correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 10 ms 344 KB Output is correct
16 Correct 41 ms 344 KB Output is correct
17 Partially correct 68 ms 600 KB Output is partially correct
18 Partially correct 114 ms 600 KB Output is partially correct
19 Partially correct 254 ms 968 KB Output is partially correct
20 Partially correct 252 ms 992 KB Output is partially correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 9 ms 344 KB Output is correct
23 Correct 18 ms 344 KB Output is correct
24 Correct 21 ms 344 KB Output is correct
25 Correct 19 ms 344 KB Output is correct
26 Partially correct 148 ms 956 KB Output is partially correct
27 Partially correct 148 ms 960 KB Output is partially correct
28 Partially correct 182 ms 712 KB Output is partially correct
29 Partially correct 239 ms 976 KB Output is partially correct
30 Partially correct 241 ms 1132 KB Output is partially correct
31 Partially correct 269 ms 856 KB Output is partially correct
32 Correct 7 ms 344 KB Output is correct
33 Correct 9 ms 344 KB Output is correct
34 Correct 20 ms 344 KB Output is correct
35 Correct 21 ms 344 KB Output is correct
36 Correct 23 ms 344 KB Output is correct
37 Partially correct 158 ms 1216 KB Output is partially correct
38 Partially correct 159 ms 964 KB Output is partially correct
39 Partially correct 177 ms 708 KB Output is partially correct
40 Partially correct 235 ms 600 KB Output is partially correct
41 Partially correct 278 ms 1136 KB Output is partially correct
42 Partially correct 224 ms 1104 KB Output is partially correct
43 Partially correct 721 ms 1360 KB Output is partially correct
44 Partially correct 712 ms 1868 KB Output is partially correct
45 Partially correct 723 ms 1940 KB Output is partially correct
46 Partially correct 714 ms 1720 KB Output is partially correct
47 Partially correct 749 ms 1432 KB Output is partially correct
48 Partially correct 728 ms 1560 KB Output is partially correct
49 Partially correct 741 ms 1812 KB Output is partially correct
50 Partially correct 808 ms 2244 KB Output is partially correct
51 Partially correct 703 ms 1872 KB Output is partially correct
52 Partially correct 696 ms 1820 KB Output is partially correct
53 Partially correct 779 ms 1120 KB Output is partially correct
54 Partially correct 714 ms 1412 KB Output is partially correct
55 Partially correct 769 ms 1380 KB Output is partially correct
56 Partially correct 783 ms 1776 KB Output is partially correct
57 Partially correct 702 ms 1504 KB Output is partially correct
58 Partially correct 704 ms 1624 KB Output is partially correct
59 Partially correct 658 ms 1892 KB Output is partially correct
60 Partially correct 700 ms 1572 KB Output is partially correct
61 Partially correct 723 ms 1588 KB Output is partially correct
62 Partially correct 743 ms 1656 KB Output is partially correct
63 Partially correct 769 ms 1684 KB Output is partially correct
64 Partially correct 688 ms 1140 KB Output is partially correct
65 Partially correct 680 ms 1800 KB Output is partially correct
66 Partially correct 810 ms 1812 KB Output is partially correct
67 Partially correct 724 ms 1612 KB Output is partially correct
68 Partially correct 706 ms 1084 KB Output is partially correct
69 Partially correct 713 ms 1584 KB Output is partially correct
70 Partially correct 747 ms 1748 KB Output is partially correct
71 Partially correct 753 ms 1584 KB Output is partially correct
72 Partially correct 672 ms 1592 KB Output is partially correct
73 Partially correct 721 ms 1984 KB Output is partially correct
74 Partially correct 694 ms 1616 KB Output is partially correct
75 Partially correct 713 ms 944 KB Output is partially correct
76 Partially correct 750 ms 1028 KB Output is partially correct
77 Partially correct 716 ms 1732 KB Output is partially correct
78 Partially correct 719 ms 1572 KB Output is partially correct
79 Partially correct 731 ms 1640 KB Output is partially correct
80 Partially correct 697 ms 1508 KB Output is partially correct
81 Partially correct 765 ms 1428 KB Output is partially correct
82 Partially correct 711 ms 1548 KB Output is partially correct