Submission #934888

# Submission time Handle Problem Language Result Execution time Memory
934888 2024-02-28T06:22:05 Z Darren0724 Meetings (JOI19_meetings) C++17
100 / 100
835 ms 3184 KB
#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rnd(time(0));
const int N=2005;
int n;
void ans(int a,int b){
    if(a>b)swap(a,b);
    Bridge(a,b);
}
void dfs(int k,vector<int> &r){
    int sz=r.size();
    if(sz==0)return;
    int k1=r[rnd()%sz];
    vector<int> rec(n),adj[n];
    vector<int> path;
    for(int j:r){
        if(j==k1)continue;
        int lca=Query(k,k1,j);
        if(lca==j){
            rec[j]=1;
            path.push_back(j);
        }
        else{
            adj[lca].push_back(j);
        }
    }
    sort(path.begin(),path.end(),[&](int a,int b){return Query(k,a,b)==a;});
    path.push_back(k1);
    int last=k;
    for(int j:path){
        ans(last,j);
        last=j;
    }
    for(int j:path){
        dfs(j,adj[j]);
    }
    dfs(k,adj[k]);
}
void Solve(int n1) {
    n=n1;
    int k=rnd()%n;
    vector<int> t;
    for(int i=0;i<n;i++){
        if(i!=k)t.push_back(i);
    }
    dfs(k,t);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 356 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 356 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 4 ms 600 KB Output is correct
28 Correct 3 ms 600 KB Output is correct
29 Correct 4 ms 592 KB Output is correct
30 Correct 3 ms 600 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 4 ms 600 KB Output is correct
33 Correct 7 ms 648 KB Output is correct
34 Correct 9 ms 600 KB Output is correct
35 Correct 9 ms 640 KB Output is correct
36 Correct 3 ms 604 KB Output is correct
37 Correct 7 ms 600 KB Output is correct
38 Correct 7 ms 600 KB Output is correct
39 Correct 6 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 190 ms 1500 KB Output is correct
2 Correct 266 ms 1476 KB Output is correct
3 Correct 269 ms 1708 KB Output is correct
4 Correct 224 ms 1460 KB Output is correct
5 Correct 197 ms 1340 KB Output is correct
6 Correct 225 ms 1616 KB Output is correct
7 Correct 392 ms 2212 KB Output is correct
8 Correct 469 ms 2612 KB Output is correct
9 Correct 476 ms 2900 KB Output is correct
10 Correct 433 ms 2852 KB Output is correct
11 Correct 497 ms 2944 KB Output is correct
12 Correct 250 ms 1216 KB Output is correct
13 Correct 176 ms 1296 KB Output is correct
14 Correct 252 ms 1844 KB Output is correct
15 Correct 279 ms 1872 KB Output is correct
16 Correct 267 ms 2108 KB Output is correct
17 Correct 452 ms 2768 KB Output is correct
18 Correct 309 ms 2176 KB Output is correct
19 Correct 264 ms 1872 KB Output is correct
20 Correct 272 ms 1756 KB Output is correct
21 Correct 246 ms 1752 KB Output is correct
22 Correct 265 ms 1872 KB Output is correct
23 Correct 251 ms 2432 KB Output is correct
24 Correct 261 ms 1660 KB Output is correct
25 Correct 236 ms 1872 KB Output is correct
26 Correct 321 ms 2028 KB Output is correct
27 Correct 259 ms 2008 KB Output is correct
28 Correct 540 ms 3036 KB Output is correct
29 Correct 395 ms 2928 KB Output is correct
30 Correct 451 ms 2892 KB Output is correct
31 Correct 476 ms 3184 KB Output is correct
32 Correct 835 ms 1268 KB Output is correct
33 Correct 393 ms 1104 KB Output is correct
34 Correct 4 ms 852 KB Output is correct
35 Correct 3 ms 596 KB Output is correct
36 Correct 7 ms 600 KB Output is correct
37 Correct 4 ms 600 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 4 ms 600 KB Output is correct
40 Correct 8 ms 600 KB Output is correct
41 Correct 9 ms 676 KB Output is correct
42 Correct 8 ms 600 KB Output is correct
43 Correct 4 ms 600 KB Output is correct
44 Correct 10 ms 344 KB Output is correct
45 Correct 6 ms 572 KB Output is correct
46 Correct 6 ms 600 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 1 ms 596 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 0 ms 340 KB Output is correct
65 Correct 1 ms 344 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 0 ms 344 KB Output is correct
68 Correct 1 ms 344 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 0 ms 344 KB Output is correct