oj.uz

Submission #771127

# Submission time Handle Problem Language Result Execution time Memory
771127 2023-07-02T13:15:54 Z OrazB Connecting Supertrees (IOI20_supertrees) C++17
96 / 100
 190 ms 28424 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] 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 2620 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 7 ms 3540 KB Output is correct
7 Correct 150 ms 24396 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 2620 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 7 ms 3540 KB Output is correct
7 Correct 150 ms 24396 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 2 ms 2644 KB Output is correct
12 Correct 7 ms 3668 KB Output is correct
13 Correct 155 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 5 ms 3028 KB Output is correct
17 Correct 68 ms 14380 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 38 ms 8248 KB Output is correct
21 Correct 150 ms 24340 KB Output is correct
22 Correct 159 ms 26032 KB Output is correct
23 Correct 152 ms 24372 KB Output is correct
24 Correct 154 ms 28208 KB Output is correct
25 Correct 61 ms 14516 KB Output is correct
26 Correct 59 ms 15544 KB Output is correct
27 Correct 155 ms 24372 KB Output is correct
28 Correct 154 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 9 ms 3668 KB Output is correct
9 Correct 153 ms 28352 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 154 ms 28356 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 67 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 9144 KB Output is correct
22 Correct 161 ms 28380 KB Output is correct
23 Correct 172 ms 28348 KB Output is correct
24 Correct 176 ms 28404 KB Output is correct
25 Correct 64 ms 18508 KB Output is correct
26 Correct 65 ms 18508 KB Output is correct
27 Correct 178 ms 28340 KB Output is correct
28 Correct 190 ms 28352 KB Output is correct
29 Correct 65 ms 18480 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 2 ms 2644 KB Output is correct
4 Correct 38 ms 8256 KB Output is correct
5 Correct 183 ms 24380 KB Output is correct
6 Correct 154 ms 25908 KB Output is correct
7 Correct 154 ms 24380 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 41 ms 9012 KB Output is correct
10 Correct 157 ms 28424 KB Output is correct
11 Correct 154 ms 28308 KB Output is correct
12 Correct 160 ms 28336 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 41 ms 8888 KB Output is correct
17 Correct 155 ms 28336 KB Output is correct
18 Correct 151 ms 26584 KB Output is correct
19 Correct 153 ms 26848 KB Output is correct
20 Correct 153 ms 28352 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 2620 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 7 ms 3540 KB Output is correct
7 Correct 150 ms 24396 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 2 ms 2644 KB Output is correct
12 Correct 7 ms 3668 KB Output is correct
13 Correct 155 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 5 ms 3028 KB Output is correct
17 Correct 68 ms 14380 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 38 ms 8248 KB Output is correct
21 Correct 150 ms 24340 KB Output is correct
22 Correct 159 ms 26032 KB Output is correct
23 Correct 152 ms 24372 KB Output is correct
24 Correct 154 ms 28208 KB Output is correct
25 Correct 61 ms 14516 KB Output is correct
26 Correct 59 ms 15544 KB Output is correct
27 Correct 155 ms 24372 KB Output is correct
28 Correct 154 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 9 ms 3668 KB Output is correct
37 Correct 153 ms 28352 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 1 ms 2644 KB Output is correct
40 Correct 7 ms 3668 KB Output is correct
41 Correct 154 ms 28356 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 67 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 9144 KB Output is correct
50 Correct 161 ms 28380 KB Output is correct
51 Correct 172 ms 28348 KB Output is correct
52 Correct 176 ms 28404 KB Output is correct
53 Correct 64 ms 18508 KB Output is correct
54 Correct 65 ms 18508 KB Output is correct
55 Correct 178 ms 28340 KB Output is correct
56 Correct 190 ms 28352 KB Output is correct
57 Correct 65 ms 18480 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 3028 KB Output is correct
61 Correct 63 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 2 ms 2644 KB Output is correct
65 Correct 41 ms 8896 KB Output is correct
66 Correct 64 ms 18736 KB Output is correct
67 Correct 64 ms 18348 KB Output is correct
68 Correct 62 ms 17584 KB Output is correct
69 Correct 64 ms 20260 KB Output is correct

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 2620 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 7 ms 3540 KB Output is correct
7 Correct 150 ms 24396 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 2 ms 2644 KB Output is correct
12 Correct 7 ms 3668 KB Output is correct
13 Correct 155 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 5 ms 3028 KB Output is correct
17 Correct 68 ms 14380 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 38 ms 8248 KB Output is correct
21 Correct 150 ms 24340 KB Output is correct
22 Correct 159 ms 26032 KB Output is correct
23 Correct 152 ms 24372 KB Output is correct
24 Correct 154 ms 28208 KB Output is correct
25 Correct 61 ms 14516 KB Output is correct
26 Correct 59 ms 15544 KB Output is correct
27 Correct 155 ms 24372 KB Output is correct
28 Correct 154 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 9 ms 3668 KB Output is correct
37 Correct 153 ms 28352 KB Output is correct
38 Correct 1 ms 2644 KB Output is correct
39 Correct 1 ms 2644 KB Output is correct
40 Correct 7 ms 3668 KB Output is correct
41 Correct 154 ms 28356 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 67 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 9144 KB Output is correct
50 Correct 161 ms 28380 KB Output is correct
51 Correct 172 ms 28348 KB Output is correct
52 Correct 176 ms 28404 KB Output is correct
53 Correct 64 ms 18508 KB Output is correct
54 Correct 65 ms 18508 KB Output is correct
55 Correct 178 ms 28340 KB Output is correct
56 Correct 190 ms 28352 KB Output is correct
57 Correct 65 ms 18480 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 38 ms 8256 KB Output is correct
62 Correct 183 ms 24380 KB Output is correct
63 Correct 154 ms 25908 KB Output is correct
64 Correct 154 ms 24380 KB Output is correct
65 Correct 1 ms 2644 KB Output is correct
66 Correct 41 ms 9012 KB Output is correct
67 Correct 157 ms 28424 KB Output is correct
68 Correct 154 ms 28308 KB Output is correct
69 Correct 160 ms 28336 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 41 ms 8888 KB Output is correct
74 Correct 155 ms 28336 KB Output is correct
75 Correct 151 ms 26584 KB Output is correct
76 Correct 153 ms 26848 KB Output is correct
77 Correct 153 ms 28352 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 3028 KB Output is correct
81 Correct 63 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 2 ms 2644 KB Output is correct
85 Correct 41 ms 8896 KB Output is correct
86 Correct 64 ms 18736 KB Output is correct
87 Correct 64 ms 18348 KB Output is correct
88 Correct 62 ms 17584 KB Output is correct
89 Correct 64 ms 20260 KB Output is correct
90 Correct 1 ms 2644 KB Output is correct
91 Correct 1 ms 2652 KB Output is correct
92 Correct 4 ms 3144 KB Output is correct
93 Correct 63 ms 16420 KB Output is correct
94 Correct 1 ms 2644 KB Output is correct
95 Correct 1 ms 2644 KB Output is correct
96 Incorrect 1 ms 2644 KB Answer gives possible 1 while actual possible 0
97 Halted 0 ms 0 KB -