oj.uz

Submission #771122

# Submission time Handle Problem Language Result Execution time Memory
771122 2023-07-02T13:11:19 Z OrazB Connecting Supertrees (IOI20_supertrees) C++17
56 / 100
 185 ms 28432 KB 
#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]){
				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 2 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 8 ms 3540 KB Output is correct
7 Correct 165 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 2 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 8 ms 3540 KB Output is correct
7 Correct 165 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 2 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 175 ms 28424 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 3092 KB Output is correct
17 Correct 81 ms 14388 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 43 ms 8268 KB Output is correct
21 Correct 168 ms 24380 KB Output is correct
22 Correct 174 ms 25904 KB Output is correct
23 Correct 185 ms 24496 KB Output is correct
24 Correct 170 ms 28168 KB Output is correct
25 Correct 77 ms 14412 KB Output is correct
26 Correct 77 ms 15552 KB Output is correct
27 Correct 174 ms 24368 KB Output is correct
28 Correct 181 ms 28212 KB Output is correct

Subtask #3
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 2 ms 2644 KB Output is correct
4 Correct 1 ms 2604 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 8 ms 3704 KB Output is correct
9 Correct 174 ms 28368 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 175 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 5 ms 3284 KB Output is correct
17 Correct 85 ms 18488 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 44 ms 9012 KB Output is correct
22 Correct 174 ms 28356 KB Output is correct
23 Correct 169 ms 28432 KB Output is correct
24 Correct 177 ms 28336 KB Output is correct
25 Correct 81 ms 18508 KB Output is correct
26 Incorrect 171 ms 28420 KB Answer gives possible 1 while actual possible 0
27 Halted 0 ms 0 KB -

Subtask #4
35.0 / 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 1 ms 2644 KB Output is correct
4 Correct 43 ms 8248 KB Output is correct
5 Correct 168 ms 24396 KB Output is correct
6 Correct 172 ms 25904 KB Output is correct
7 Correct 172 ms 24372 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 45 ms 9052 KB Output is correct
10 Correct 172 ms 28344 KB Output is correct
11 Correct 172 ms 28408 KB Output is correct
12 Correct 179 ms 28352 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 43 ms 8924 KB Output is correct
17 Correct 171 ms 28348 KB Output is correct
18 Correct 168 ms 26556 KB Output is correct
19 Correct 178 ms 26800 KB Output is correct
20 Correct 169 ms 28348 KB Output is correct

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 2 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 8 ms 3540 KB Output is correct
7 Correct 165 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 2 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 175 ms 28424 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 3092 KB Output is correct
17 Correct 81 ms 14388 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 43 ms 8268 KB Output is correct
21 Correct 168 ms 24380 KB Output is correct
22 Correct 174 ms 25904 KB Output is correct
23 Correct 185 ms 24496 KB Output is correct
24 Correct 170 ms 28168 KB Output is correct
25 Correct 77 ms 14412 KB Output is correct
26 Correct 77 ms 15552 KB Output is correct
27 Correct 174 ms 24368 KB Output is correct
28 Correct 181 ms 28212 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 1 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 1 ms 2604 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 8 ms 3704 KB Output is correct
37 Correct 174 ms 28368 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 175 ms 28348 KB Output is correct
42 Correct 1 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 5 ms 3284 KB Output is correct
45 Correct 85 ms 18488 KB Output is correct
46 Correct 1 ms 2644 KB Output is correct
47 Correct 1 ms 2644 KB Output is correct
48 Correct 1 ms 2644 KB Output is correct
49 Correct 44 ms 9012 KB Output is correct
50 Correct 174 ms 28356 KB Output is correct
51 Correct 169 ms 28432 KB Output is correct
52 Correct 177 ms 28336 KB Output is correct
53 Correct 81 ms 18508 KB Output is correct
54 Incorrect 171 ms 28420 KB Answer gives possible 1 while actual possible 0
55 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 2 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 8 ms 3540 KB Output is correct
7 Correct 165 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 2 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 175 ms 28424 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 3092 KB Output is correct
17 Correct 81 ms 14388 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 43 ms 8268 KB Output is correct
21 Correct 168 ms 24380 KB Output is correct
22 Correct 174 ms 25904 KB Output is correct
23 Correct 185 ms 24496 KB Output is correct
24 Correct 170 ms 28168 KB Output is correct
25 Correct 77 ms 14412 KB Output is correct
26 Correct 77 ms 15552 KB Output is correct
27 Correct 174 ms 24368 KB Output is correct
28 Correct 181 ms 28212 KB Output is correct
29 Correct 1 ms 2644 KB Output is correct
30 Correct 1 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 1 ms 2604 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 8 ms 3704 KB Output is correct
37 Correct 174 ms 28368 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 175 ms 28348 KB Output is correct
42 Correct 1 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 5 ms 3284 KB Output is correct
45 Correct 85 ms 18488 KB Output is correct
46 Correct 1 ms 2644 KB Output is correct
47 Correct 1 ms 2644 KB Output is correct
48 Correct 1 ms 2644 KB Output is correct
49 Correct 44 ms 9012 KB Output is correct
50 Correct 174 ms 28356 KB Output is correct
51 Correct 169 ms 28432 KB Output is correct
52 Correct 177 ms 28336 KB Output is correct
53 Correct 81 ms 18508 KB Output is correct
54 Incorrect 171 ms 28420 KB Answer gives possible 1 while actual possible 0
55 Halted 0 ms 0 KB -