oj.uz

Submission #703395

# Submission time Handle Problem Language Result Execution time Memory
703395 2023-02-27T08:35:58 Z alvingogo Meetings (JOI19_meetings) C++14
100 / 100
 610 ms 2376 KB 
#include <bits/stdc++.h>
#include "meetings.h"
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

mt19937 rnd(time(NULL));
map<pair<int,pair<int,int> >,int> mp;
int get(int a,int b,int c){
    if(a>b){
        swap(a,b);
    }
    if(b>c){
        swap(b,c);
    }
    if(a>b){
        swap(a,b);
    }
    if(a==b || b==c){
        return b;
    }
    if(mp.find({a,{b,c}})!=mp.end()){
        return mp[{a,{b,c}}];
    }
    return mp[{a,{b,c}}]=Query(a,b,c);
}
void dc(vector<int>& v){
    int n=v.size();
    if(n<=1){
        return;
    }
    if(n==2){
        Bridge(min(v[0],v[1]),max(v[0],v[1]));
        return;
    }
    int x=v[0],y=v[1];
    map<int,vector<int> > m;
    vector<int> g;
    for(auto h:v){
        int a=get(x,y,h);
        m[a].push_back(h);
        if(a==h){
            g.push_back(h);
        }
    }
    for(auto h:m){
        dc(h.sc);
    }
    sort(g.begin(),g.end(),[&](int a,int b){
        return get(x,a,b)==a;
    });
    for(int i=0;i+1<g.size();i++){
        Bridge(min(g[i],g[i+1]),max(g[i],g[i+1]));
    }






}
void Solve(int n){
    vector<int> v(n);
    iota(v.begin(),v.end(),0);
    shuffle(v.begin(),v.end(),rnd);
    dc(v);
}

Compilation message

meetings.cpp: In function 'void dc(std::vector<int>&)':
meetings.cpp:55:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for(int i=0;i+1<g.size();i++){
      |                 ~~~^~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 0 ms 336 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 0 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 0 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 5 ms 400 KB Output is correct
28 Correct 4 ms 464 KB Output is correct
29 Correct 7 ms 464 KB Output is correct
30 Correct 5 ms 464 KB Output is correct
31 Correct 5 ms 464 KB Output is correct
32 Correct 6 ms 464 KB Output is correct
33 Correct 9 ms 528 KB Output is correct
34 Correct 11 ms 592 KB Output is correct
35 Correct 9 ms 592 KB Output is correct
36 Correct 4 ms 464 KB Output is correct
37 Correct 8 ms 464 KB Output is correct
38 Correct 12 ms 464 KB Output is correct
39 Correct 10 ms 464 KB Output is correct

Subtask #4
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 330 ms 1308 KB Output is correct
2 Correct 396 ms 1428 KB Output is correct
3 Correct 449 ms 1640 KB Output is correct
4 Correct 307 ms 1272 KB Output is correct
5 Correct 283 ms 1196 KB Output is correct
6 Correct 279 ms 1352 KB Output is correct
7 Correct 448 ms 1972 KB Output is correct
8 Correct 388 ms 2000 KB Output is correct
9 Correct 338 ms 2120 KB Output is correct
10 Correct 336 ms 2256 KB Output is correct
11 Correct 417 ms 2064 KB Output is correct
12 Correct 397 ms 1584 KB Output is correct
13 Correct 276 ms 1340 KB Output is correct
14 Correct 352 ms 1648 KB Output is correct
15 Correct 269 ms 1552 KB Output is correct
16 Correct 304 ms 1512 KB Output is correct
17 Correct 399 ms 2092 KB Output is correct
18 Correct 290 ms 1556 KB Output is correct
19 Correct 362 ms 1516 KB Output is correct
20 Correct 364 ms 1660 KB Output is correct
21 Correct 352 ms 1584 KB Output is correct
22 Correct 395 ms 1748 KB Output is correct
23 Correct 316 ms 1364 KB Output is correct
24 Correct 303 ms 1516 KB Output is correct
25 Correct 402 ms 1632 KB Output is correct
26 Correct 413 ms 1652 KB Output is correct
27 Correct 472 ms 1584 KB Output is correct
28 Correct 439 ms 2116 KB Output is correct
29 Correct 385 ms 2376 KB Output is correct
30 Correct 356 ms 2132 KB Output is correct
31 Correct 412 ms 2276 KB Output is correct
32 Correct 610 ms 2164 KB Output is correct
33 Correct 397 ms 2092 KB Output is correct
34 Correct 7 ms 464 KB Output is correct
35 Correct 5 ms 464 KB Output is correct
36 Correct 5 ms 464 KB Output is correct
37 Correct 3 ms 464 KB Output is correct
38 Correct 4 ms 464 KB Output is correct
39 Correct 5 ms 464 KB Output is correct
40 Correct 9 ms 464 KB Output is correct
41 Correct 9 ms 592 KB Output is correct
42 Correct 8 ms 464 KB Output is correct
43 Correct 4 ms 464 KB Output is correct
44 Correct 16 ms 548 KB Output is correct
45 Correct 12 ms 568 KB Output is correct
46 Correct 9 ms 624 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 336 KB Output is correct
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 336 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 1 ms 336 KB Output is correct
59 Correct 1 ms 336 KB Output is correct
60 Correct 0 ms 336 KB Output is correct
61 Correct 0 ms 336 KB Output is correct
62 Correct 0 ms 336 KB Output is correct
63 Correct 0 ms 336 KB Output is correct
64 Correct 0 ms 336 KB Output is correct
65 Correct 1 ms 336 KB Output is correct
66 Correct 0 ms 336 KB Output is correct
67 Correct 0 ms 336 KB Output is correct
68 Correct 0 ms 336 KB Output is correct
69 Correct 0 ms 336 KB Output is correct
70 Correct 0 ms 336 KB Output is correct
71 Correct 0 ms 336 KB Output is correct
72 Correct 0 ms 336 KB Output is correct