Submission #123980

# Submission time Handle Problem Language Result Execution time Memory
123980 2019-07-02T10:24:36 Z songc Meetings (JOI19_meetings) C++14
100 / 100
1315 ms 1084 KB
#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;

vector<int> adj[2020];
vector<int> V[2020];
bool chk[2020];

void f(int u){
    if (V[u].size() <= 1) return;
    vector<int> P = V[u];
    V[u].clear();
    int v = P[rand() % P.size()];
    while (v == u) v = P[rand() % P.size()];
    vector<int> S;
    S.push_back(u); V[u].push_back(u);
    S.push_back(v); V[v].push_back(v);
    for (int w : P){
        if (w == u || w == v) continue;
        int ret = Query(u, v, w);
        V[ret].push_back(w);
        S.push_back(ret);
    }
    sort(S.begin(), S.end());
    S.erase(unique(S.begin(), S.end()), S.end());
    sort(S.begin(), S.end(), [&](int a, int b){
        if (a == u || b == v) return true;
        if (a == v || b == u) return false;
        return Query(a, b, u) == a;
    });
    for (int i=0; i<(int)S.size()-1; i++){
        if (S[i] < S[i+1]) Bridge(S[i], S[i+1]);
        else Bridge(S[i+1], S[i]);
    }
    for (int w : S) f(w);
}

void Solve(int N) {
    for (int i=0; i<N; i++) V[0].push_back(i);
    f(0);
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 372 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 372 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 424 KB Output is correct
17 Correct 2 ms 424 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 372 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 424 KB Output is correct
17 Correct 2 ms 424 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 6 ms 504 KB Output is correct
29 Correct 7 ms 504 KB Output is correct
30 Correct 6 ms 424 KB Output is correct
31 Correct 5 ms 504 KB Output is correct
32 Correct 9 ms 504 KB Output is correct
33 Correct 13 ms 504 KB Output is correct
34 Correct 18 ms 504 KB Output is correct
35 Correct 16 ms 496 KB Output is correct
36 Correct 6 ms 504 KB Output is correct
37 Correct 12 ms 512 KB Output is correct
38 Correct 12 ms 512 KB Output is correct
39 Correct 16 ms 504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 672 ms 748 KB Output is correct
2 Correct 660 ms 836 KB Output is correct
3 Correct 955 ms 840 KB Output is correct
4 Correct 671 ms 756 KB Output is correct
5 Correct 329 ms 928 KB Output is correct
6 Correct 350 ms 904 KB Output is correct
7 Correct 729 ms 1020 KB Output is correct
8 Correct 796 ms 952 KB Output is correct
9 Correct 793 ms 944 KB Output is correct
10 Correct 749 ms 908 KB Output is correct
11 Correct 1010 ms 980 KB Output is correct
12 Correct 576 ms 816 KB Output is correct
13 Correct 297 ms 940 KB Output is correct
14 Correct 501 ms 764 KB Output is correct
15 Correct 452 ms 908 KB Output is correct
16 Correct 533 ms 1012 KB Output is correct
17 Correct 939 ms 988 KB Output is correct
18 Correct 433 ms 1044 KB Output is correct
19 Correct 470 ms 940 KB Output is correct
20 Correct 552 ms 892 KB Output is correct
21 Correct 586 ms 992 KB Output is correct
22 Correct 570 ms 868 KB Output is correct
23 Correct 546 ms 988 KB Output is correct
24 Correct 553 ms 1032 KB Output is correct
25 Correct 533 ms 880 KB Output is correct
26 Correct 486 ms 888 KB Output is correct
27 Correct 532 ms 888 KB Output is correct
28 Correct 945 ms 860 KB Output is correct
29 Correct 841 ms 1084 KB Output is correct
30 Correct 783 ms 828 KB Output is correct
31 Correct 872 ms 984 KB Output is correct
32 Correct 1164 ms 888 KB Output is correct
33 Correct 1315 ms 816 KB Output is correct
34 Correct 7 ms 404 KB Output is correct
35 Correct 6 ms 508 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
37 Correct 7 ms 504 KB Output is correct
38 Correct 6 ms 504 KB Output is correct
39 Correct 10 ms 508 KB Output is correct
40 Correct 14 ms 504 KB Output is correct
41 Correct 18 ms 504 KB Output is correct
42 Correct 16 ms 504 KB Output is correct
43 Correct 6 ms 504 KB Output is correct
44 Correct 12 ms 504 KB Output is correct
45 Correct 12 ms 504 KB Output is correct
46 Correct 16 ms 460 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 424 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 380 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 2 ms 504 KB Output is correct
58 Correct 2 ms 376 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 2 ms 504 KB Output is correct
62 Correct 2 ms 504 KB Output is correct
63 Correct 2 ms 424 KB Output is correct
64 Correct 2 ms 504 KB Output is correct
65 Correct 2 ms 504 KB Output is correct
66 Correct 2 ms 508 KB Output is correct
67 Correct 2 ms 376 KB Output is correct
68 Correct 2 ms 504 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 420 KB Output is correct
71 Correct 2 ms 376 KB Output is correct
72 Correct 2 ms 504 KB Output is correct