Submission #230100

# Submission time Handle Problem Language Result Execution time Memory
230100 2020-05-08T09:07:42 Z PeppaPig Meetings (JOI19_meetings) C++14
100 / 100
916 ms 1144 KB
#include "meetings.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 2e3+5;

mt19937 rng(time(NULL));

void connect(int a, int b) {
    if(a > b) swap(a, b);
    Bridge(a, b);
}

vector<int> sub[N];

void solve(vector<int> vec) {
    if(vec.size() < 2) return;
    for(int x : vec) sub[x].clear();
    shuffle(vec.begin(), vec.end(), rng);

    int a = vec[0], b = vec[1];
    vector<int> path;
    for(int i = 2; i < vec.size(); i++) {
        int now = Query(a, b, vec[i]);
        sub[now].emplace_back(vec[i]);
        if(now == vec[i]) path.emplace_back(now);
    }
    sub[a].emplace_back(a), sub[b].emplace_back(b);
    sort(path.begin(), path.end(), [&](int x, int y) {
        return Query(x, y, b) == y;
    });
    path.insert(path.begin(), a), path.emplace_back(b);
    for(int i = 0; i < path.size() - 1; i++)
        connect(path[i], path[i + 1]);

    for(int x : path) solve(sub[x]);
}

void Solve(int n) {
    vector<int> vec;
    for(int i = 0; i < n; i++) vec.emplace_back(i);
    solve(vec);
}

Compilation message

meetings.cpp: In function 'void solve(std::vector<int>)':
meetings.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 2; i < vec.size(); i++) {
                    ~~^~~~~~~~~~~~
meetings.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < path.size() - 1; i++)
                    ~~^~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 404 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 404 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 9 ms 512 KB Output is correct
28 Correct 9 ms 512 KB Output is correct
29 Correct 10 ms 512 KB Output is correct
30 Correct 10 ms 512 KB Output is correct
31 Correct 9 ms 512 KB Output is correct
32 Correct 10 ms 512 KB Output is correct
33 Correct 14 ms 512 KB Output is correct
34 Correct 13 ms 512 KB Output is correct
35 Correct 14 ms 512 KB Output is correct
36 Correct 13 ms 496 KB Output is correct
37 Correct 14 ms 512 KB Output is correct
38 Correct 14 ms 512 KB Output is correct
39 Correct 23 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 392 ms 1016 KB Output is correct
2 Correct 441 ms 764 KB Output is correct
3 Correct 464 ms 888 KB Output is correct
4 Correct 437 ms 888 KB Output is correct
5 Correct 396 ms 760 KB Output is correct
6 Correct 383 ms 736 KB Output is correct
7 Correct 422 ms 760 KB Output is correct
8 Correct 458 ms 888 KB Output is correct
9 Correct 426 ms 760 KB Output is correct
10 Correct 398 ms 888 KB Output is correct
11 Correct 481 ms 760 KB Output is correct
12 Correct 468 ms 892 KB Output is correct
13 Correct 292 ms 760 KB Output is correct
14 Correct 310 ms 888 KB Output is correct
15 Correct 337 ms 760 KB Output is correct
16 Correct 300 ms 1088 KB Output is correct
17 Correct 449 ms 760 KB Output is correct
18 Correct 299 ms 1144 KB Output is correct
19 Correct 314 ms 760 KB Output is correct
20 Correct 465 ms 924 KB Output is correct
21 Correct 325 ms 760 KB Output is correct
22 Correct 415 ms 912 KB Output is correct
23 Correct 403 ms 764 KB Output is correct
24 Correct 463 ms 928 KB Output is correct
25 Correct 524 ms 888 KB Output is correct
26 Correct 359 ms 760 KB Output is correct
27 Correct 423 ms 888 KB Output is correct
28 Correct 454 ms 888 KB Output is correct
29 Correct 408 ms 760 KB Output is correct
30 Correct 389 ms 760 KB Output is correct
31 Correct 436 ms 888 KB Output is correct
32 Correct 916 ms 1020 KB Output is correct
33 Correct 728 ms 1144 KB Output is correct
34 Correct 9 ms 512 KB Output is correct
35 Correct 11 ms 512 KB Output is correct
36 Correct 10 ms 512 KB Output is correct
37 Correct 10 ms 512 KB Output is correct
38 Correct 8 ms 512 KB Output is correct
39 Correct 11 ms 512 KB Output is correct
40 Correct 13 ms 512 KB Output is correct
41 Correct 13 ms 512 KB Output is correct
42 Correct 14 ms 640 KB Output is correct
43 Correct 8 ms 512 KB Output is correct
44 Correct 17 ms 512 KB Output is correct
45 Correct 13 ms 512 KB Output is correct
46 Correct 14 ms 512 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 5 ms 384 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 5 ms 640 KB Output is correct
52 Correct 5 ms 512 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 5 ms 384 KB Output is correct
55 Correct 5 ms 384 KB Output is correct
56 Correct 5 ms 512 KB Output is correct
57 Correct 5 ms 384 KB Output is correct
58 Correct 5 ms 384 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 4 ms 384 KB Output is correct
62 Correct 4 ms 384 KB Output is correct
63 Correct 4 ms 384 KB Output is correct
64 Correct 5 ms 384 KB Output is correct
65 Correct 5 ms 384 KB Output is correct
66 Correct 5 ms 436 KB Output is correct
67 Correct 4 ms 384 KB Output is correct
68 Correct 5 ms 384 KB Output is correct
69 Correct 5 ms 384 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 5 ms 384 KB Output is correct
72 Correct 5 ms 384 KB Output is correct