Submission #771119

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
771119	2023-07-02T13:09:21 Z	OrazB	Connecting Supertrees (IOI20_supertrees)	C++17	40 / 100	194 ms	30384 KB

supertrees

#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;
#define N 100005
#define pb push_back
 
vector<int> vec[N];
 
int construct(vector<vector<int>> p){
	int n = p.size();
	vector<vector<int>> b(n, vector<int>(n, 0));
	vector<int> vis(n, 0), ok(n, 0);
	int cnt = 0;
	for (int i = 0; i < n; i++){
		if (vis[i]){ 
			if (p[i] != vec[vis[i]]) return 0;
			continue;
		}
		cnt++;
		for (int j = 0; j < n; j++){
			if (p[i][j] and i != j){
				if (p[i][j] == 1){
					b[i][j] = b[j][i] = 1;
					vis[j] = cnt;
				}
			}
			vec[cnt].pb(p[i][j]);
		}
	}
	for (int i = 0; i < n; i++){
		if (vis[i] or ok[i]) continue;
		deque<int> v;
		ok[i] = 1;
		for (int j = 0; j < n; j++){
			if (p[i][j] == 2 and !vis[j]){
				// if (ok[j]) return 0;
				ok[j] = 1;
				v.pb(j);
			}
		}
		if (!v.size()) continue;
		if (v.size() == 1) return 0;
		v.push_front(i);
		for (int j = 0; j < (int)v.size(); j++){
			for (int k = j+1; k < (int)v.size(); k++) if (p[v[j]][v[k]] != 2) return 0;
			for (int k = 0; k < n; k++){
				if (p[v[j]][k] == 2 and !ok[k]) return 0;
			}
		}
		b[v[0]][v.back()] = b[v.back()][v[0]] = 1;
		for (int j = 1; j < (int)v.size(); j++){
			b[v[j-1]][v[j]] = b[v[j]][v[j-1]] = 1;
		}
	}
	// for (int i = 0; i < n; i++){
	// 	for (int j = 0; j < n; j++) cout << b[i][j] << ' ';
	// 	cout << '\n';
	// }
	build(b);
	return 1;
}
// int main ()
// {
// 	int n;
// 	cin >> n;
// 	vector<vector<int>> p(n, vector<int>(n));
// 	for (int i = 0; i < n; i++){
// 		for (int j = 0; j < n; j++) cin >> p[i][j];
// 	}
// 	int x = construct(p);
// }

Subtask #1
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	7 ms	3540 KB	Output is correct
7	Correct	157 ms	24368 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	7 ms	3540 KB	Output is correct
7	Correct	157 ms	24368 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	1 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	1 ms	2644 KB	Output is correct
12	Correct	7 ms	3668 KB	Output is correct
13	Correct	153 ms	28348 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	4 ms	3068 KB	Output is correct
17	Correct	63 ms	14392 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	38 ms	8148 KB	Output is correct
21	Correct	149 ms	24384 KB	Output is correct
22	Correct	153 ms	25976 KB	Output is correct
23	Correct	154 ms	24396 KB	Output is correct
24	Correct	155 ms	28220 KB	Output is correct
25	Correct	60 ms	14524 KB	Output is correct
26	Correct	60 ms	15552 KB	Output is correct
27	Correct	151 ms	24368 KB	Output is correct
28	Correct	153 ms	28236 KB	Output is correct

Subtask #3
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	7 ms	3740 KB	Output is correct
9	Correct	153 ms	28420 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	1 ms	2644 KB	Output is correct
12	Correct	8 ms	3668 KB	Output is correct
13	Correct	154 ms	28432 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	4 ms	3284 KB	Output is correct
17	Correct	68 ms	18492 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	42 ms	9096 KB	Output is correct
22	Correct	154 ms	28352 KB	Output is correct
23	Correct	154 ms	28396 KB	Output is correct
24	Correct	161 ms	28432 KB	Output is correct
25	Correct	68 ms	18472 KB	Output is correct
26	Correct	65 ms	18492 KB	Output is correct
27	Correct	156 ms	30292 KB	Output is correct
28	Correct	159 ms	30384 KB	Output is correct
29	Correct	68 ms	20476 KB	Output is correct

Subtask #4
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	39 ms	8240 KB	Output is correct
5	Correct	148 ms	24436 KB	Output is correct
6	Correct	194 ms	25916 KB	Output is correct
7	Correct	168 ms	24524 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	47 ms	9032 KB	Output is correct
10	Correct	155 ms	28352 KB	Output is correct
11	Correct	160 ms	28340 KB	Output is correct
12	Correct	158 ms	28376 KB	Output is correct
13	Correct	1 ms	2644 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Incorrect	1 ms	2644 KB	Answer gives possible 0 while actual possible 1
16	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	7 ms	3540 KB	Output is correct
7	Correct	157 ms	24368 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	1 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	1 ms	2644 KB	Output is correct
12	Correct	7 ms	3668 KB	Output is correct
13	Correct	153 ms	28348 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	4 ms	3068 KB	Output is correct
17	Correct	63 ms	14392 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	38 ms	8148 KB	Output is correct
21	Correct	149 ms	24384 KB	Output is correct
22	Correct	153 ms	25976 KB	Output is correct
23	Correct	154 ms	24396 KB	Output is correct
24	Correct	155 ms	28220 KB	Output is correct
25	Correct	60 ms	14524 KB	Output is correct
26	Correct	60 ms	15552 KB	Output is correct
27	Correct	151 ms	24368 KB	Output is correct
28	Correct	153 ms	28236 KB	Output is correct
29	Correct	1 ms	2644 KB	Output is correct
30	Correct	1 ms	2644 KB	Output is correct
31	Correct	1 ms	2644 KB	Output is correct
32	Correct	1 ms	2644 KB	Output is correct
33	Correct	1 ms	2644 KB	Output is correct
34	Correct	1 ms	2644 KB	Output is correct
35	Correct	1 ms	2644 KB	Output is correct
36	Correct	7 ms	3740 KB	Output is correct
37	Correct	153 ms	28420 KB	Output is correct
38	Correct	1 ms	2644 KB	Output is correct
39	Correct	1 ms	2644 KB	Output is correct
40	Correct	8 ms	3668 KB	Output is correct
41	Correct	154 ms	28432 KB	Output is correct
42	Correct	1 ms	2644 KB	Output is correct
43	Correct	1 ms	2644 KB	Output is correct
44	Correct	4 ms	3284 KB	Output is correct
45	Correct	68 ms	18492 KB	Output is correct
46	Correct	1 ms	2644 KB	Output is correct
47	Correct	1 ms	2644 KB	Output is correct
48	Correct	2 ms	2644 KB	Output is correct
49	Correct	42 ms	9096 KB	Output is correct
50	Correct	154 ms	28352 KB	Output is correct
51	Correct	154 ms	28396 KB	Output is correct
52	Correct	161 ms	28432 KB	Output is correct
53	Correct	68 ms	18472 KB	Output is correct
54	Correct	65 ms	18492 KB	Output is correct
55	Correct	156 ms	30292 KB	Output is correct
56	Correct	159 ms	30384 KB	Output is correct
57	Correct	68 ms	20476 KB	Output is correct
58	Correct	2 ms	2644 KB	Output is correct
59	Correct	2 ms	2656 KB	Output is correct
60	Correct	4 ms	3148 KB	Output is correct
61	Correct	64 ms	16420 KB	Output is correct
62	Correct	2 ms	2652 KB	Output is correct
63	Correct	2 ms	2644 KB	Output is correct
64	Correct	2 ms	2644 KB	Output is correct
65	Incorrect	17 ms	6948 KB	Answer gives possible 0 while actual possible 1
66	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2644 KB	Output is correct
2	Correct	1 ms	2644 KB	Output is correct
3	Correct	1 ms	2644 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	7 ms	3540 KB	Output is correct
7	Correct	157 ms	24368 KB	Output is correct
8	Correct	1 ms	2644 KB	Output is correct
9	Correct	1 ms	2644 KB	Output is correct
10	Correct	1 ms	2644 KB	Output is correct
11	Correct	1 ms	2644 KB	Output is correct
12	Correct	7 ms	3668 KB	Output is correct
13	Correct	153 ms	28348 KB	Output is correct
14	Correct	1 ms	2644 KB	Output is correct
15	Correct	1 ms	2644 KB	Output is correct
16	Correct	4 ms	3068 KB	Output is correct
17	Correct	63 ms	14392 KB	Output is correct
18	Correct	1 ms	2644 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	38 ms	8148 KB	Output is correct
21	Correct	149 ms	24384 KB	Output is correct
22	Correct	153 ms	25976 KB	Output is correct
23	Correct	154 ms	24396 KB	Output is correct
24	Correct	155 ms	28220 KB	Output is correct
25	Correct	60 ms	14524 KB	Output is correct
26	Correct	60 ms	15552 KB	Output is correct
27	Correct	151 ms	24368 KB	Output is correct
28	Correct	153 ms	28236 KB	Output is correct
29	Correct	1 ms	2644 KB	Output is correct
30	Correct	1 ms	2644 KB	Output is correct
31	Correct	1 ms	2644 KB	Output is correct
32	Correct	1 ms	2644 KB	Output is correct
33	Correct	1 ms	2644 KB	Output is correct
34	Correct	1 ms	2644 KB	Output is correct
35	Correct	1 ms	2644 KB	Output is correct
36	Correct	7 ms	3740 KB	Output is correct
37	Correct	153 ms	28420 KB	Output is correct
38	Correct	1 ms	2644 KB	Output is correct
39	Correct	1 ms	2644 KB	Output is correct
40	Correct	8 ms	3668 KB	Output is correct
41	Correct	154 ms	28432 KB	Output is correct
42	Correct	1 ms	2644 KB	Output is correct
43	Correct	1 ms	2644 KB	Output is correct
44	Correct	4 ms	3284 KB	Output is correct
45	Correct	68 ms	18492 KB	Output is correct
46	Correct	1 ms	2644 KB	Output is correct
47	Correct	1 ms	2644 KB	Output is correct
48	Correct	2 ms	2644 KB	Output is correct
49	Correct	42 ms	9096 KB	Output is correct
50	Correct	154 ms	28352 KB	Output is correct
51	Correct	154 ms	28396 KB	Output is correct
52	Correct	161 ms	28432 KB	Output is correct
53	Correct	68 ms	18472 KB	Output is correct
54	Correct	65 ms	18492 KB	Output is correct
55	Correct	156 ms	30292 KB	Output is correct
56	Correct	159 ms	30384 KB	Output is correct
57	Correct	68 ms	20476 KB	Output is correct
58	Correct	1 ms	2644 KB	Output is correct
59	Correct	1 ms	2644 KB	Output is correct
60	Correct	2 ms	2644 KB	Output is correct
61	Correct	39 ms	8240 KB	Output is correct
62	Correct	148 ms	24436 KB	Output is correct
63	Correct	194 ms	25916 KB	Output is correct
64	Correct	168 ms	24524 KB	Output is correct
65	Correct	1 ms	2644 KB	Output is correct
66	Correct	47 ms	9032 KB	Output is correct
67	Correct	155 ms	28352 KB	Output is correct
68	Correct	160 ms	28340 KB	Output is correct
69	Correct	158 ms	28376 KB	Output is correct
70	Correct	1 ms	2644 KB	Output is correct
71	Correct	1 ms	2644 KB	Output is correct
72	Incorrect	1 ms	2644 KB	Answer gives possible 0 while actual possible 1
73	Halted	0 ms	0 KB	-

Submission #771119

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 19.0 / 19.0

Subtask #4 0 / 35.0

Subtask #5 0 / 21.0

Subtask #6 0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
19.0 / 19.0

Subtask #4
0 / 35.0

Subtask #5
0 / 21.0

Subtask #6
0 / 4.0