oj.uz

Submission #1073250

# Submission time Handle Problem Language Result Execution time Memory
1073250 2024-08-24T11:01:13 Z Unforgettablepl Longest Trip (IOI23_longesttrip) C++17
15 / 100
 1000 ms 1324 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> longest_trip(int N,int D){
    vector<vector<int>> adj(N);
    for(int i=0;i<N;i++) {
        for(int j=i+1;j<N;j++) {
            if(are_connected({i},{j})) {
                adj[i].emplace_back(j);
                adj[j].emplace_back(i);
            }
        }
    }
    int ans = 0;
    for(int i=0;i<N;i++) {
        vector<bool> visited(N);
        function<void(int,int)> dfs = [&](int x,int depth) {
            visited[x]=true;
            ans=max(ans,depth);
            for(int&v:adj[x])if(!visited[v])dfs(v,depth+1);
        };
        dfs(i,0);
    }
    vector<int> full;
    for(int i=0;i<N;i++) {
        stack<int> path;
        vector<bool> visited(N);
        function<void(int,int)> dfs = [&](int x,int depth) {
            visited[x]=true;
            path.emplace(x);
            if(ans==depth) {
                while(!path.empty()) {
                    full.emplace_back(path.top());
                    path.pop();
                }
            }
            for(int&v:adj[x])if(!visited[v]) {
                dfs(v,depth+1);
                if(!full.empty())return;
            }
            path.pop();
        };
        dfs(i,0);
        if(!full.empty())return full;
    }
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:6:30: warning: control reaches end of non-void function [-Wreturn-type]
    6 |     vector<vector<int>> adj(N);
      |                              ^

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 207 ms 984 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 29 ms 344 KB Output is correct
3 Correct 138 ms 344 KB Output is correct
4 Correct 414 ms 740 KB Output is correct
5 Correct 978 ms 980 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 22 ms 344 KB Output is correct
3 Correct 151 ms 344 KB Output is correct
4 Correct 462 ms 504 KB Output is correct
5 Correct 922 ms 996 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 23 ms 344 KB Output is correct
8 Correct 174 ms 344 KB Output is correct
9 Correct 318 ms 728 KB Output is correct
10 Correct 905 ms 1096 KB Output is correct
11 Correct 949 ms 1068 KB Output is correct
12 Correct 956 ms 992 KB Output is correct
13 Correct 944 ms 924 KB Output is correct

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 21 ms 344 KB Output is correct
3 Correct 166 ms 600 KB Output is correct
4 Correct 450 ms 716 KB Output is correct
5 Correct 936 ms 1008 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 30 ms 344 KB Output is correct
8 Correct 180 ms 456 KB Output is correct
9 Correct 313 ms 460 KB Output is correct
10 Correct 979 ms 980 KB Output is correct
11 Correct 907 ms 1048 KB Output is correct
12 Correct 926 ms 792 KB Output is correct
13 Correct 943 ms 1252 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 12 ms 344 KB Output is correct
16 Correct 42 ms 344 KB Output is correct
17 Correct 103 ms 344 KB Output is correct
18 Correct 160 ms 344 KB Output is correct
19 Correct 316 ms 732 KB Output is correct
20 Correct 319 ms 848 KB Output is correct
21 Correct 964 ms 1128 KB Output is correct
22 Correct 888 ms 900 KB Output is correct
23 Correct 922 ms 1324 KB Output is correct
24 Correct 966 ms 1272 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Correct 29 ms 344 KB Output is correct
28 Correct 16 ms 340 KB Output is correct
29 Correct 22 ms 344 KB Output is correct
30 Correct 212 ms 460 KB Output is correct
31 Correct 201 ms 444 KB Output is correct
32 Correct 220 ms 344 KB Output is correct
33 Correct 301 ms 600 KB Output is correct
34 Correct 347 ms 464 KB Output is correct
35 Correct 334 ms 480 KB Output is correct
36 Correct 977 ms 1008 KB Output is correct
37 Correct 968 ms 972 KB Output is correct
38 Correct 883 ms 1212 KB Output is correct
39 Correct 910 ms 928 KB Output is correct
40 Correct 883 ms 1060 KB Output is correct
41 Correct 908 ms 840 KB Output is correct
42 Correct 870 ms 836 KB Output is correct
43 Correct 864 ms 1136 KB Output is correct
44 Correct 854 ms 1076 KB Output is correct
45 Correct 10 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 30 ms 344 KB Output is correct
48 Correct 18 ms 344 KB Output is correct
49 Correct 27 ms 344 KB Output is correct
50 Correct 214 ms 440 KB Output is correct
51 Correct 235 ms 680 KB Output is correct
52 Correct 223 ms 344 KB Output is correct
53 Correct 338 ms 736 KB Output is correct
54 Correct 316 ms 484 KB Output is correct
55 Correct 321 ms 736 KB Output is correct
56 Execution timed out 1004 ms 972 KB Time limit exceeded
57 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 19 ms 344 KB Output is correct
3 Partially correct 133 ms 344 KB Output is partially correct
4 Partially correct 442 ms 600 KB Output is partially correct
5 Partially correct 888 ms 1212 KB Output is partially correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 20 ms 344 KB Output is correct
8 Partially correct 148 ms 448 KB Output is partially correct
9 Partially correct 310 ms 968 KB Output is partially correct
10 Partially correct 936 ms 1108 KB Output is partially correct
11 Partially correct 868 ms 1056 KB Output is partially correct
12 Partially correct 886 ms 788 KB Output is partially correct
13 Partially correct 944 ms 960 KB Output is partially correct
14 Correct 12 ms 344 KB Output is correct
15 Correct 11 ms 344 KB Output is correct
16 Incorrect 5 ms 344 KB Incorrect
17 Halted 0 ms 0 KB -