oj.uz

Submission #771129

# Submission time Handle Problem Language Result Execution time Memory
771129 2023-07-02T13:19:15 Z OrazB Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 200 ms 28488 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] == 3) return 0;
			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] and !vis[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 8 ms 3500 KB Output is correct
7 Correct 177 ms 24300 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 8 ms 3500 KB Output is correct
7 Correct 177 ms 24300 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 152 ms 28336 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 3064 KB Output is correct
17 Correct 73 ms 14412 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 39 ms 8224 KB Output is correct
21 Correct 174 ms 24396 KB Output is correct
22 Correct 148 ms 25908 KB Output is correct
23 Correct 162 ms 24368 KB Output is correct
24 Correct 155 ms 28228 KB Output is correct
25 Correct 74 ms 14528 KB Output is correct
26 Correct 60 ms 15564 KB Output is correct
27 Correct 160 ms 24464 KB Output is correct
28 Correct 154 ms 28216 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 3668 KB Output is correct
9 Correct 153 ms 28404 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 165 ms 28348 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 4 ms 3320 KB Output is correct
17 Correct 77 ms 18484 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 45 ms 9132 KB Output is correct
22 Correct 175 ms 28364 KB Output is correct
23 Correct 152 ms 28440 KB Output is correct
24 Correct 200 ms 28340 KB Output is correct
25 Correct 64 ms 18484 KB Output is correct
26 Correct 66 ms 18496 KB Output is correct
27 Correct 151 ms 28336 KB Output is correct
28 Correct 185 ms 28320 KB Output is correct
29 Correct 64 ms 18484 KB Output is correct

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 37 ms 8228 KB Output is correct
5 Correct 149 ms 24372 KB Output is correct
6 Correct 150 ms 25932 KB Output is correct
7 Correct 161 ms 24424 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 46 ms 9012 KB Output is correct
10 Correct 153 ms 28340 KB Output is correct
11 Correct 157 ms 28488 KB Output is correct
12 Correct 165 ms 28348 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 45 ms 9004 KB Output is correct
17 Correct 154 ms 28364 KB Output is correct
18 Correct 152 ms 26548 KB Output is correct
19 Correct 158 ms 26812 KB Output is correct
20 Correct 152 ms 28364 KB Output is correct

Subtask #5
21.0 / 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 8 ms 3500 KB Output is correct
7 Correct 177 ms 24300 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 152 ms 28336 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 3064 KB Output is correct
17 Correct 73 ms 14412 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 39 ms 8224 KB Output is correct
21 Correct 174 ms 24396 KB Output is correct
22 Correct 148 ms 25908 KB Output is correct
23 Correct 162 ms 24368 KB Output is correct
24 Correct 155 ms 28228 KB Output is correct
25 Correct 74 ms 14528 KB Output is correct
26 Correct 60 ms 15564 KB Output is correct
27 Correct 160 ms 24464 KB Output is correct
28 Correct 154 ms 28216 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 3668 KB Output is correct
37 Correct 153 ms 28404 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 165 ms 28348 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 4 ms 3320 KB Output is correct
45 Correct 77 ms 18484 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 45 ms 9132 KB Output is correct
50 Correct 175 ms 28364 KB Output is correct
51 Correct 152 ms 28440 KB Output is correct
52 Correct 200 ms 28340 KB Output is correct
53 Correct 64 ms 18484 KB Output is correct
54 Correct 66 ms 18496 KB Output is correct
55 Correct 151 ms 28336 KB Output is correct
56 Correct 185 ms 28320 KB Output is correct
57 Correct 64 ms 18484 KB Output is correct
58 Correct 1 ms 2644 KB Output is correct
59 Correct 1 ms 2644 KB Output is correct
60 Correct 4 ms 3132 KB Output is correct
61 Correct 88 ms 14400 KB Output is correct
62 Correct 1 ms 2644 KB Output is correct
63 Correct 1 ms 2644 KB Output is correct
64 Correct 1 ms 2644 KB Output is correct
65 Correct 38 ms 8896 KB Output is correct
66 Correct 65 ms 16824 KB Output is correct
67 Correct 65 ms 16316 KB Output is correct
68 Correct 61 ms 15680 KB Output is correct
69 Correct 83 ms 18368 KB Output is correct

Subtask #6
4.0 / 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 8 ms 3500 KB Output is correct
7 Correct 177 ms 24300 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 152 ms 28336 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 3064 KB Output is correct
17 Correct 73 ms 14412 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 39 ms 8224 KB Output is correct
21 Correct 174 ms 24396 KB Output is correct
22 Correct 148 ms 25908 KB Output is correct
23 Correct 162 ms 24368 KB Output is correct
24 Correct 155 ms 28228 KB Output is correct
25 Correct 74 ms 14528 KB Output is correct
26 Correct 60 ms 15564 KB Output is correct
27 Correct 160 ms 24464 KB Output is correct
28 Correct 154 ms 28216 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 3668 KB Output is correct
37 Correct 153 ms 28404 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 165 ms 28348 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 4 ms 3320 KB Output is correct
45 Correct 77 ms 18484 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 45 ms 9132 KB Output is correct
50 Correct 175 ms 28364 KB Output is correct
51 Correct 152 ms 28440 KB Output is correct
52 Correct 200 ms 28340 KB Output is correct
53 Correct 64 ms 18484 KB Output is correct
54 Correct 66 ms 18496 KB Output is correct
55 Correct 151 ms 28336 KB Output is correct
56 Correct 185 ms 28320 KB Output is correct
57 Correct 64 ms 18484 KB Output is correct
58 Correct 1 ms 2644 KB Output is correct
59 Correct 1 ms 2644 KB Output is correct
60 Correct 1 ms 2644 KB Output is correct
61 Correct 37 ms 8228 KB Output is correct
62 Correct 149 ms 24372 KB Output is correct
63 Correct 150 ms 25932 KB Output is correct
64 Correct 161 ms 24424 KB Output is correct
65 Correct 1 ms 2644 KB Output is correct
66 Correct 46 ms 9012 KB Output is correct
67 Correct 153 ms 28340 KB Output is correct
68 Correct 157 ms 28488 KB Output is correct
69 Correct 165 ms 28348 KB Output is correct
70 Correct 1 ms 2644 KB Output is correct
71 Correct 1 ms 2644 KB Output is correct
72 Correct 1 ms 2644 KB Output is correct
73 Correct 45 ms 9004 KB Output is correct
74 Correct 154 ms 28364 KB Output is correct
75 Correct 152 ms 26548 KB Output is correct
76 Correct 158 ms 26812 KB Output is correct
77 Correct 152 ms 28364 KB Output is correct
78 Correct 1 ms 2644 KB Output is correct
79 Correct 1 ms 2644 KB Output is correct
80 Correct 4 ms 3132 KB Output is correct
81 Correct 88 ms 14400 KB Output is correct
82 Correct 1 ms 2644 KB Output is correct
83 Correct 1 ms 2644 KB Output is correct
84 Correct 1 ms 2644 KB Output is correct
85 Correct 38 ms 8896 KB Output is correct
86 Correct 65 ms 16824 KB Output is correct
87 Correct 65 ms 16316 KB Output is correct
88 Correct 61 ms 15680 KB Output is correct
89 Correct 83 ms 18368 KB Output is correct
90 Correct 1 ms 2644 KB Output is correct
91 Correct 1 ms 2644 KB Output is correct
92 Correct 4 ms 3028 KB Output is correct
93 Correct 76 ms 14388 KB Output is correct
94 Correct 1 ms 2644 KB Output is correct
95 Correct 1 ms 2644 KB Output is correct
96 Correct 1 ms 2644 KB Output is correct
97 Correct 17 ms 6184 KB Output is correct
98 Correct 63 ms 16596 KB Output is correct
99 Correct 64 ms 16932 KB Output is correct
100 Correct 75 ms 16676 KB Output is correct
101 Correct 62 ms 17700 KB Output is correct
102 Correct 75 ms 16332 KB Output is correct
103 Correct 74 ms 16348 KB Output is correct
104 Correct 74 ms 16416 KB Output is correct
105 Correct 77 ms 16416 KB Output is correct