oj.uz

Submission #842489

# Submission time Handle Problem Language Result Execution time Memory
842489 2023-09-03T00:39:02 Z CodePlatina Longest Trip (IOI23_longesttrip) C++17
30 / 100
 790 ms 1864 KB 
#include "longesttrip.h"
#include <iostream>
#include <algorithm>
#define pii pair<int, int>
#define ff first
#define ss second
using namespace std;

vector<int> gph[404];

vector<int> longest_trip(int N, int d)
{
    for(int i = 0; i < N; ++i) gph[i].clear();

    for(int i = 0; i < N; ++i)
    {
        for(int j = i + 1; j < N; ++j)
        {
            if(!are_connected(vector<int>{i}, vector<int>{j}))
            {
                gph[i].push_back(j);
                gph[j].push_back(i);
            }
        }
    }

    for(int i = 0; i < N; ++i) if((int)gph[i].size() >= (N + 1) / 2) return gph[i];

    for(int i = 0; i < N; ++i) sort(gph[i].begin(), gph[i].end());
    
    bool chc[N]{};
    vector<int> ret;
    ret.push_back(0), chc[0] = true;
    while(1)
    {
        bool flag = false;
        for(int i = 0; i < N; ++i) if(!chc[i] && !binary_search(gph[ret.back()].begin(), gph[ret.back()].end(), i))
        {
            ret.push_back(i);
            chc[i] = true;
            flag = true;
            break;
        }
        if(!flag) break;
    }
    return ret;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 20 ms 344 KB Output is correct
3 Correct 151 ms 344 KB Output is correct
4 Correct 352 ms 344 KB Output is correct
5 Correct 720 ms 420 KB Output is correct

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 26 ms 344 KB Output is correct
3 Correct 126 ms 344 KB Output is correct
4 Correct 383 ms 344 KB Output is correct
5 Correct 769 ms 424 KB Output is correct
6 Incorrect 0 ms 344 KB Incorrect
7 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 26 ms 344 KB Output is correct
3 Correct 123 ms 344 KB Output is correct
4 Correct 353 ms 344 KB Output is correct
5 Correct 742 ms 424 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 34 ms 344 KB Output is correct
8 Correct 107 ms 344 KB Output is correct
9 Correct 247 ms 428 KB Output is correct
10 Correct 705 ms 428 KB Output is correct
11 Correct 734 ms 432 KB Output is correct
12 Correct 714 ms 592 KB Output is correct
13 Correct 716 ms 436 KB Output is correct
14 Correct 8 ms 344 KB Output is correct
15 Correct 13 ms 344 KB Output is correct
16 Correct 33 ms 344 KB Output is correct
17 Correct 75 ms 344 KB Output is correct
18 Correct 118 ms 600 KB Output is correct
19 Correct 265 ms 692 KB Output is correct
20 Correct 279 ms 700 KB Output is correct
21 Correct 712 ms 952 KB Output is correct
22 Correct 722 ms 1004 KB Output is correct
23 Correct 718 ms 712 KB Output is correct
24 Correct 759 ms 1224 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 23 ms 344 KB Output is correct
28 Correct 26 ms 344 KB Output is correct
29 Correct 23 ms 344 KB Output is correct
30 Correct 166 ms 448 KB Output is correct
31 Correct 173 ms 956 KB Output is correct
32 Correct 173 ms 960 KB Output is correct
33 Correct 250 ms 600 KB Output is correct
34 Correct 276 ms 688 KB Output is correct
35 Correct 248 ms 856 KB Output is correct
36 Correct 685 ms 436 KB Output is correct
37 Correct 728 ms 856 KB Output is correct
38 Correct 731 ms 1348 KB Output is correct
39 Correct 787 ms 1736 KB Output is correct
40 Correct 771 ms 1652 KB Output is correct
41 Correct 734 ms 1112 KB Output is correct
42 Correct 740 ms 1564 KB Output is correct
43 Correct 763 ms 1820 KB Output is correct
44 Correct 714 ms 1292 KB Output is correct
45 Correct 10 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 21 ms 344 KB Output is correct
48 Correct 21 ms 344 KB Output is correct
49 Correct 24 ms 344 KB Output is correct
50 Correct 147 ms 448 KB Output is correct
51 Correct 161 ms 964 KB Output is correct
52 Correct 136 ms 704 KB Output is correct
53 Correct 245 ms 440 KB Output is correct
54 Correct 256 ms 444 KB Output is correct
55 Correct 260 ms 856 KB Output is correct
56 Correct 785 ms 436 KB Output is correct
57 Correct 746 ms 956 KB Output is correct
58 Correct 790 ms 1556 KB Output is correct
59 Correct 714 ms 1664 KB Output is correct
60 Correct 699 ms 1864 KB Output is correct
61 Correct 711 ms 1620 KB Output is correct
62 Correct 680 ms 1284 KB Output is correct
63 Correct 685 ms 1592 KB Output is correct
64 Correct 715 ms 1608 KB Output is correct

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 22 ms 344 KB Output is correct
3 Partially correct 134 ms 344 KB Output is partially correct
4 Partially correct 391 ms 344 KB Output is partially correct
5 Partially correct 706 ms 424 KB Output is partially correct
6 Incorrect 0 ms 344 KB Incorrect
7 Halted 0 ms 0 KB -