Submission #427130

# Submission time Handle Problem Language Result Execution time Memory
427130 2021-06-14T12:37:55 Z koioi.org-koosaga Meetings (JOI19_meetings) C++17
100 / 100
1264 ms 968 KB
#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
using pi = pair<int, int>;
 
mt19937 rng(0x14004);
int randint(int lb, int ub){ return uniform_int_distribution<int>(lb, ub)(rng); }
 
void bridge(int x, int y){ Bridge(min(x, y), max(x, y)); }
 
void dfs(vector<int> v){
	if(v.size() == 1) return;
	if(v.size() == 2){
		bridge(v[0], v[1]);
		return;
	}
	map<int, int> mp;
	for(int i=0; i<11; i++){
		set<int> s;
		while(s.size() < 3){
			s.insert(v[randint(0, v.size() - 1)]);
		}
		int x = *s.begin();
		int y = *next(s.begin());
		int z = *next(next(s.begin()));
		int q = Query(x, y, z);
		mp[q]++;
	}
	pi ret(-1, -1);
	for(auto &i : mp){
		ret = max(ret, pi(i.second, i.first));
	}
	int c = ret.second;
	vector<vector<int>> anclist;
	for(auto &i : v){
		if(i == c) continue;
		bool found = 0;
		for(auto &j : anclist){
			if(find(j.begin(), j.end(), i) != j.end()){
				found = 1;
				break;
			}
		}
		if(found) continue;
		for(auto &j : anclist){
			int x = Query(i, j[0], c);
			if(x == c) continue;
			j.push_back(i);
			if(find(j.begin(), j.end(), x) == j.end()) j.push_back(x);
			swap(j[0], *find(j.begin(), j.end(), x));
			found = 1;
			break;
		}
		if(!found){
			anclist.push_back({i});
		}
	}
	for(auto &i : anclist){
		bridge(c, i[0]);
		dfs(i);
	}
}
 
void Solve(int N) {
	vector<int> v(N);
	iota(v.begin(), v.end(), 0);
	dfs(v);
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 328 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 328 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 328 KB Output is correct
27 Correct 8 ms 328 KB Output is correct
28 Correct 8 ms 328 KB Output is correct
29 Correct 8 ms 328 KB Output is correct
30 Correct 7 ms 384 KB Output is correct
31 Correct 9 ms 328 KB Output is correct
32 Correct 6 ms 328 KB Output is correct
33 Correct 7 ms 328 KB Output is correct
34 Correct 8 ms 380 KB Output is correct
35 Correct 8 ms 328 KB Output is correct
36 Correct 9 ms 380 KB Output is correct
37 Correct 16 ms 404 KB Output is correct
38 Correct 17 ms 400 KB Output is correct
39 Correct 18 ms 392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 481 ms 596 KB Output is correct
2 Correct 547 ms 532 KB Output is correct
3 Correct 506 ms 700 KB Output is correct
4 Correct 589 ms 592 KB Output is correct
5 Correct 625 ms 944 KB Output is correct
6 Correct 450 ms 700 KB Output is correct
7 Correct 366 ms 580 KB Output is correct
8 Correct 375 ms 520 KB Output is correct
9 Correct 390 ms 548 KB Output is correct
10 Correct 357 ms 588 KB Output is correct
11 Correct 403 ms 672 KB Output is correct
12 Correct 816 ms 944 KB Output is correct
13 Correct 682 ms 676 KB Output is correct
14 Correct 453 ms 672 KB Output is correct
15 Correct 436 ms 656 KB Output is correct
16 Correct 417 ms 632 KB Output is correct
17 Correct 321 ms 536 KB Output is correct
18 Correct 460 ms 712 KB Output is correct
19 Correct 474 ms 724 KB Output is correct
20 Correct 451 ms 576 KB Output is correct
21 Correct 542 ms 772 KB Output is correct
22 Correct 531 ms 644 KB Output is correct
23 Correct 527 ms 636 KB Output is correct
24 Correct 486 ms 544 KB Output is correct
25 Correct 474 ms 724 KB Output is correct
26 Correct 463 ms 680 KB Output is correct
27 Correct 1138 ms 660 KB Output is correct
28 Correct 401 ms 700 KB Output is correct
29 Correct 391 ms 576 KB Output is correct
30 Correct 411 ms 596 KB Output is correct
31 Correct 378 ms 576 KB Output is correct
32 Correct 1264 ms 968 KB Output is correct
33 Correct 1253 ms 936 KB Output is correct
34 Correct 7 ms 448 KB Output is correct
35 Correct 7 ms 328 KB Output is correct
36 Correct 8 ms 328 KB Output is correct
37 Correct 7 ms 328 KB Output is correct
38 Correct 10 ms 372 KB Output is correct
39 Correct 6 ms 376 KB Output is correct
40 Correct 7 ms 328 KB Output is correct
41 Correct 8 ms 328 KB Output is correct
42 Correct 7 ms 328 KB Output is correct
43 Correct 9 ms 328 KB Output is correct
44 Correct 16 ms 408 KB Output is correct
45 Correct 15 ms 396 KB Output is correct
46 Correct 17 ms 412 KB Output is correct
47 Correct 1 ms 328 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 328 KB Output is correct
52 Correct 1 ms 328 KB Output is correct
53 Correct 1 ms 328 KB Output is correct
54 Correct 1 ms 328 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 1 ms 328 KB Output is correct
57 Correct 1 ms 328 KB Output is correct
58 Correct 1 ms 328 KB Output is correct
59 Correct 1 ms 328 KB Output is correct
60 Correct 1 ms 328 KB Output is correct
61 Correct 1 ms 244 KB Output is correct
62 Correct 1 ms 328 KB Output is correct
63 Correct 1 ms 328 KB Output is correct
64 Correct 1 ms 328 KB Output is correct
65 Correct 1 ms 328 KB Output is correct
66 Correct 1 ms 328 KB Output is correct
67 Correct 1 ms 328 KB Output is correct
68 Correct 1 ms 328 KB Output is correct
69 Correct 1 ms 328 KB Output is correct
70 Correct 1 ms 328 KB Output is correct
71 Correct 1 ms 328 KB Output is correct
72 Correct 1 ms 328 KB Output is correct