oj.uz

Submission #847214

# Submission time Handle Problem Language Result Execution time Memory
847214 2023-09-09T09:39:53 Z Trisanu_Das Longest Trip (IOI23_longesttrip) C++17
60 / 100
 435 ms 1112 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
 
vector<int> longest_trip(int N, int D) {
    vector<int> ans = {0};
    vector<bool> vis(N, false);
    vis[0] = true;
    vector<vector<int> > adj(N, vector<int>(N, -1));
    auto is_connected = [&] (int x, int y) {
        if (adj[x][y] >= 0) return adj[x][y];
        adj[x][y] = adj[y][x] = are_connected({x}, {y});
        return adj[x][y];
    };
    while (true) {
        if (ans.size() == N) return ans;
        bool flag = false;
        for (int i = 0; i < N && !flag; i++) {
            if (!vis[i]) {
                if (is_connected(ans[0], i)) {
                    ans.insert(ans.begin(), i);
                    flag = vis[i] = true;
                    break;
                }
                if (is_connected(ans.back(), i)) {
                    ans.push_back(i);
                    flag = vis[i] = true;
                    break;
                }
                for (int j = 0; j < ans.size(); j++) {
                    if (is_connected(ans[j], i)) {
                        vector<int> new_path;
                        new_path.insert(new_path.end(), ans.begin() + j + 1, ans.end());
                        new_path.insert(new_path.end(), ans.begin(), ans.begin() + j + 1);
                        ans = new_path; 
                        ans.push_back(i);
                        flag = vis[i] = true;
                        break;
                    }
                }
            }
        }
        if (!flag) {
            if (ans.size() >= (N - ans.size()))  return ans;
            ans.clear();
            for (int i = 0; i < N; i++) if (!vis[i]) ans.push_back(i);
            return ans;
        }
    }
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:16:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |         if (ans.size() == N) return ans;
      |             ~~~~~~~~~~~^~~~
longesttrip.cpp:30:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |                 for (int j = 0; j < ans.size(); j++) {
      |                                 ~~^~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 5 ms 600 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 4 ms 600 KB Output is correct
11 Correct 5 ms 600 KB Output is correct
12 Correct 6 ms 600 KB Output is correct
13 Correct 5 ms 600 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 5 ms 540 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 5 ms 600 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 600 KB Output is correct
19 Correct 5 ms 856 KB Output is correct
20 Correct 6 ms 344 KB Output is correct
21 Correct 5 ms 860 KB Output is correct
22 Correct 5 ms 704 KB Output is correct
23 Correct 5 ms 708 KB Output is correct
24 Correct 5 ms 708 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 11 ms 540 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 9 ms 344 KB Output is correct
30 Correct 8 ms 344 KB Output is correct
31 Correct 61 ms 344 KB Output is correct
32 Correct 90 ms 344 KB Output is correct
33 Correct 8 ms 344 KB Output is correct
34 Correct 16 ms 596 KB Output is correct
35 Correct 32 ms 344 KB Output is correct
36 Correct 12 ms 600 KB Output is correct
37 Correct 69 ms 600 KB Output is correct
38 Correct 207 ms 600 KB Output is correct
39 Correct 368 ms 600 KB Output is correct
40 Correct 405 ms 600 KB Output is correct
41 Correct 435 ms 600 KB Output is correct
42 Correct 424 ms 600 KB Output is correct
43 Correct 389 ms 600 KB Output is correct
44 Correct 374 ms 600 KB Output is correct
45 Correct 10 ms 344 KB Output is correct
46 Correct 8 ms 344 KB Output is correct
47 Correct 7 ms 344 KB Output is correct
48 Correct 8 ms 344 KB Output is correct
49 Correct 8 ms 344 KB Output is correct
50 Correct 7 ms 344 KB Output is correct
51 Correct 37 ms 344 KB Output is correct
52 Correct 45 ms 344 KB Output is correct
53 Correct 8 ms 600 KB Output is correct
54 Correct 12 ms 344 KB Output is correct
55 Correct 16 ms 344 KB Output is correct
56 Correct 7 ms 856 KB Output is correct
57 Correct 26 ms 600 KB Output is correct
58 Correct 103 ms 600 KB Output is correct
59 Correct 252 ms 600 KB Output is correct
60 Correct 305 ms 600 KB Output is correct
61 Correct 54 ms 600 KB Output is correct
62 Correct 210 ms 600 KB Output is correct
63 Correct 238 ms 676 KB Output is correct
64 Correct 245 ms 600 KB Output is correct

Subtask #4
19.999999998 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Correct 6 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 5 ms 600 KB Output is correct
12 Correct 4 ms 600 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 448 KB Output is correct
19 Correct 5 ms 600 KB Output is correct
20 Correct 5 ms 600 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 8 ms 344 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 8 ms 344 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Partially correct 64 ms 344 KB Output is partially correct
28 Partially correct 84 ms 344 KB Output is partially correct
29 Correct 8 ms 344 KB Output is correct
30 Correct 17 ms 344 KB Output is correct
31 Partially correct 32 ms 344 KB Output is partially correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 7 ms 344 KB Output is correct
34 Correct 7 ms 344 KB Output is correct
35 Correct 8 ms 344 KB Output is correct
36 Correct 8 ms 344 KB Output is correct
37 Correct 7 ms 344 KB Output is correct
38 Partially correct 43 ms 344 KB Output is partially correct
39 Partially correct 41 ms 344 KB Output is partially correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 16 ms 344 KB Output is correct
42 Partially correct 15 ms 344 KB Output is partially correct
43 Correct 5 ms 1112 KB Output is correct
44 Correct 5 ms 712 KB Output is correct
45 Correct 7 ms 960 KB Output is correct
46 Correct 5 ms 708 KB Output is correct
47 Partially correct 10 ms 600 KB Output is partially correct
48 Partially correct 59 ms 600 KB Output is partially correct
49 Partially correct 192 ms 1012 KB Output is partially correct
50 Partially correct 327 ms 600 KB Output is partially correct
51 Partially correct 358 ms 856 KB Output is partially correct
52 Partially correct 374 ms 600 KB Output is partially correct
53 Partially correct 352 ms 600 KB Output is partially correct
54 Partially correct 371 ms 600 KB Output is partially correct
55 Partially correct 360 ms 600 KB Output is partially correct
56 Partially correct 61 ms 600 KB Output is partially correct
57 Partially correct 189 ms 600 KB Output is partially correct
58 Partially correct 328 ms 600 KB Output is partially correct
59 Partially correct 359 ms 600 KB Output is partially correct
60 Partially correct 400 ms 600 KB Output is partially correct
61 Partially correct 408 ms 600 KB Output is partially correct
62 Partially correct 7 ms 856 KB Output is partially correct
63 Partially correct 29 ms 600 KB Output is partially correct
64 Partially correct 113 ms 600 KB Output is partially correct
65 Partially correct 242 ms 600 KB Output is partially correct
66 Partially correct 307 ms 600 KB Output is partially correct
67 Partially correct 54 ms 600 KB Output is partially correct
68 Partially correct 224 ms 600 KB Output is partially correct
69 Partially correct 257 ms 680 KB Output is partially correct
70 Partially correct 250 ms 600 KB Output is partially correct
71 Partially correct 40 ms 848 KB Output is partially correct
72 Partially correct 87 ms 600 KB Output is partially correct
73 Partially correct 119 ms 600 KB Output is partially correct
74 Partially correct 279 ms 600 KB Output is partially correct
75 Partially correct 141 ms 600 KB Output is partially correct
76 Partially correct 227 ms 676 KB Output is partially correct
77 Partially correct 40 ms 680 KB Output is partially correct
78 Partially correct 117 ms 680 KB Output is partially correct
79 Partially correct 96 ms 600 KB Output is partially correct
80 Partially correct 242 ms 600 KB Output is partially correct
81 Partially correct 219 ms 600 KB Output is partially correct
82 Partially correct 135 ms 600 KB Output is partially correct