oj.uz

Submission #975317

# Submission time Handle Problem Language Result Execution time Memory
975317 2024-05-04T18:35:51 Z raspy Connecting Supertrees (IOI20_supertrees) C++14
96 / 100
 192 ms 25168 KB 
#include "supertrees.h"
#include <vector>
#include <iostream>

using namespace std;

bool obd[20005];
int dis[20005];
vector<int> el[20005];

int par(int x)
{
	return dis[x] = (dis[x] == x ? x : par(dis[x]));
}

void zd(int x, int y, bool zlij = true)
{
	x = par(x);
	y = par(y);
	if (x == y)
		return;
	if (el[x].size() < el[y].size())
		swap(x, y);
	if (zlij)
	{
		if (el[x].empty())
			el[x].push_back(x);
		if (el[y].empty())
			el[y].push_back(y);
		for (auto e : el[y])
			el[x].push_back(e);
	}
	dis[y] = x;
	return;
}

int construct(vector<vector<int>> p)
{
	int n = p.size();
	vector<vector<int>> gr(n, vector<int>(n, 0));
	for (int i = 0; i <= n; i++)
		dis[i] = i;
	for (int i = 0; i < n; i++)
		for (int j = i+1; j < n; j++)
		{
			if (p[i][j] == 1 && par(i)-par(j))
			{
				gr[par(i)][par(j)] = gr[par(j)][par(i)] = 1;
				zd(i, j, 0);
			}
		}
	int dalje = 0;
	for (int i = 0; i < n; i++)
		for (int j = i+1; j < n; j++)
		{
			if (p[i][j] == 2 && par(i)-par(j))
			{
				dalje = 1;
				zd(i, j);
			}
		}
	if (dalje)
	{
		for (int i = 0; i < n; i++)
		{
			int x = par(i);
			if (obd[x])
				continue;
			obd[x] = 1;			
			vector<int> tr = el[x];
			if (tr.size() <= 2 && !tr.empty())
				return 0;
			tr.push_back(x);
			int pr = -1;
			for (auto v : tr)
			{
				if (pr+1)
					gr[v][pr] = gr[pr][v] = 1;
				pr = v;
			}
		}
	}
	for (int i = 0; i < n; i++)
		for (int j = i+1; j < n; j++)
			if (p[i][j] == 0 && par(i) == par(j))
				return 0;
	build(gr);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 9 ms 1660 KB Output is correct
7 Correct 148 ms 22612 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 9 ms 1660 KB Output is correct
7 Correct 148 ms 22612 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 0 ms 860 KB Output is correct
12 Correct 6 ms 1628 KB Output is correct
13 Correct 151 ms 22660 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 3 ms 1624 KB Output is correct
17 Correct 68 ms 14692 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 38 ms 6808 KB Output is correct
21 Correct 192 ms 24628 KB Output is correct
22 Correct 149 ms 24532 KB Output is correct
23 Correct 159 ms 24660 KB Output is correct
24 Correct 149 ms 24404 KB Output is correct
25 Correct 60 ms 14672 KB Output is correct
26 Correct 69 ms 14676 KB Output is correct
27 Correct 155 ms 24404 KB Output is correct
28 Correct 151 ms 24404 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 0 ms 860 KB Output is correct
3 Correct 1 ms 856 KB Output is correct
4 Correct 0 ms 860 KB Output is correct
5 Correct 0 ms 860 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 6 ms 1628 KB Output is correct
9 Correct 148 ms 22512 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 6 ms 1628 KB Output is correct
13 Correct 154 ms 22484 KB Output is correct
14 Correct 1 ms 856 KB Output is correct
15 Correct 1 ms 1112 KB Output is correct
16 Correct 3 ms 1372 KB Output is correct
17 Correct 68 ms 14676 KB Output is correct
18 Correct 1 ms 856 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 40 ms 6748 KB Output is correct
22 Correct 157 ms 25168 KB Output is correct
23 Correct 153 ms 24544 KB Output is correct
24 Correct 155 ms 24520 KB Output is correct
25 Correct 63 ms 14676 KB Output is correct
26 Correct 62 ms 14696 KB Output is correct
27 Correct 151 ms 24404 KB Output is correct
28 Correct 166 ms 24544 KB Output is correct
29 Correct 60 ms 14568 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 37 ms 6204 KB Output is correct
5 Correct 149 ms 22608 KB Output is correct
6 Correct 152 ms 22612 KB Output is correct
7 Correct 159 ms 22868 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 37 ms 6740 KB Output is correct
10 Correct 153 ms 24472 KB Output is correct
11 Correct 152 ms 24456 KB Output is correct
12 Correct 157 ms 24656 KB Output is correct
13 Correct 1 ms 860 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 37 ms 6744 KB Output is correct
17 Correct 148 ms 24660 KB Output is correct
18 Correct 151 ms 24404 KB Output is correct
19 Correct 149 ms 24404 KB Output is correct
20 Correct 149 ms 24404 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 9 ms 1660 KB Output is correct
7 Correct 148 ms 22612 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 0 ms 860 KB Output is correct
12 Correct 6 ms 1628 KB Output is correct
13 Correct 151 ms 22660 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 3 ms 1624 KB Output is correct
17 Correct 68 ms 14692 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 38 ms 6808 KB Output is correct
21 Correct 192 ms 24628 KB Output is correct
22 Correct 149 ms 24532 KB Output is correct
23 Correct 159 ms 24660 KB Output is correct
24 Correct 149 ms 24404 KB Output is correct
25 Correct 60 ms 14672 KB Output is correct
26 Correct 69 ms 14676 KB Output is correct
27 Correct 155 ms 24404 KB Output is correct
28 Correct 151 ms 24404 KB Output is correct
29 Correct 1 ms 856 KB Output is correct
30 Correct 0 ms 860 KB Output is correct
31 Correct 1 ms 856 KB Output is correct
32 Correct 0 ms 860 KB Output is correct
33 Correct 0 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 1 ms 860 KB Output is correct
36 Correct 6 ms 1628 KB Output is correct
37 Correct 148 ms 22512 KB Output is correct
38 Correct 1 ms 856 KB Output is correct
39 Correct 1 ms 860 KB Output is correct
40 Correct 6 ms 1628 KB Output is correct
41 Correct 154 ms 22484 KB Output is correct
42 Correct 1 ms 856 KB Output is correct
43 Correct 1 ms 1112 KB Output is correct
44 Correct 3 ms 1372 KB Output is correct
45 Correct 68 ms 14676 KB Output is correct
46 Correct 1 ms 856 KB Output is correct
47 Correct 1 ms 860 KB Output is correct
48 Correct 1 ms 860 KB Output is correct
49 Correct 40 ms 6748 KB Output is correct
50 Correct 157 ms 25168 KB Output is correct
51 Correct 153 ms 24544 KB Output is correct
52 Correct 155 ms 24520 KB Output is correct
53 Correct 63 ms 14676 KB Output is correct
54 Correct 62 ms 14696 KB Output is correct
55 Correct 151 ms 24404 KB Output is correct
56 Correct 166 ms 24544 KB Output is correct
57 Correct 60 ms 14568 KB Output is correct
58 Correct 1 ms 856 KB Output is correct
59 Correct 1 ms 860 KB Output is correct
60 Correct 3 ms 1368 KB Output is correct
61 Correct 69 ms 14708 KB Output is correct
62 Correct 1 ms 860 KB Output is correct
63 Correct 1 ms 856 KB Output is correct
64 Correct 1 ms 860 KB Output is correct
65 Correct 39 ms 6876 KB Output is correct
66 Correct 62 ms 14676 KB Output is correct
67 Correct 61 ms 14692 KB Output is correct
68 Correct 60 ms 14676 KB Output is correct
69 Correct 61 ms 14688 KB Output is correct

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 9 ms 1660 KB Output is correct
7 Correct 148 ms 22612 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Correct 0 ms 860 KB Output is correct
12 Correct 6 ms 1628 KB Output is correct
13 Correct 151 ms 22660 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 3 ms 1624 KB Output is correct
17 Correct 68 ms 14692 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 38 ms 6808 KB Output is correct
21 Correct 192 ms 24628 KB Output is correct
22 Correct 149 ms 24532 KB Output is correct
23 Correct 159 ms 24660 KB Output is correct
24 Correct 149 ms 24404 KB Output is correct
25 Correct 60 ms 14672 KB Output is correct
26 Correct 69 ms 14676 KB Output is correct
27 Correct 155 ms 24404 KB Output is correct
28 Correct 151 ms 24404 KB Output is correct
29 Correct 1 ms 856 KB Output is correct
30 Correct 0 ms 860 KB Output is correct
31 Correct 1 ms 856 KB Output is correct
32 Correct 0 ms 860 KB Output is correct
33 Correct 0 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 1 ms 860 KB Output is correct
36 Correct 6 ms 1628 KB Output is correct
37 Correct 148 ms 22512 KB Output is correct
38 Correct 1 ms 856 KB Output is correct
39 Correct 1 ms 860 KB Output is correct
40 Correct 6 ms 1628 KB Output is correct
41 Correct 154 ms 22484 KB Output is correct
42 Correct 1 ms 856 KB Output is correct
43 Correct 1 ms 1112 KB Output is correct
44 Correct 3 ms 1372 KB Output is correct
45 Correct 68 ms 14676 KB Output is correct
46 Correct 1 ms 856 KB Output is correct
47 Correct 1 ms 860 KB Output is correct
48 Correct 1 ms 860 KB Output is correct
49 Correct 40 ms 6748 KB Output is correct
50 Correct 157 ms 25168 KB Output is correct
51 Correct 153 ms 24544 KB Output is correct
52 Correct 155 ms 24520 KB Output is correct
53 Correct 63 ms 14676 KB Output is correct
54 Correct 62 ms 14696 KB Output is correct
55 Correct 151 ms 24404 KB Output is correct
56 Correct 166 ms 24544 KB Output is correct
57 Correct 60 ms 14568 KB Output is correct
58 Correct 1 ms 856 KB Output is correct
59 Correct 1 ms 860 KB Output is correct
60 Correct 1 ms 860 KB Output is correct
61 Correct 37 ms 6204 KB Output is correct
62 Correct 149 ms 22608 KB Output is correct
63 Correct 152 ms 22612 KB Output is correct
64 Correct 159 ms 22868 KB Output is correct
65 Correct 1 ms 860 KB Output is correct
66 Correct 37 ms 6740 KB Output is correct
67 Correct 153 ms 24472 KB Output is correct
68 Correct 152 ms 24456 KB Output is correct
69 Correct 157 ms 24656 KB Output is correct
70 Correct 1 ms 860 KB Output is correct
71 Correct 1 ms 860 KB Output is correct
72 Correct 1 ms 860 KB Output is correct
73 Correct 37 ms 6744 KB Output is correct
74 Correct 148 ms 24660 KB Output is correct
75 Correct 151 ms 24404 KB Output is correct
76 Correct 149 ms 24404 KB Output is correct
77 Correct 149 ms 24404 KB Output is correct
78 Correct 1 ms 856 KB Output is correct
79 Correct 1 ms 860 KB Output is correct
80 Correct 3 ms 1368 KB Output is correct
81 Correct 69 ms 14708 KB Output is correct
82 Correct 1 ms 860 KB Output is correct
83 Correct 1 ms 856 KB Output is correct
84 Correct 1 ms 860 KB Output is correct
85 Correct 39 ms 6876 KB Output is correct
86 Correct 62 ms 14676 KB Output is correct
87 Correct 61 ms 14692 KB Output is correct
88 Correct 60 ms 14676 KB Output is correct
89 Correct 61 ms 14688 KB Output is correct
90 Correct 1 ms 860 KB Output is correct
91 Correct 1 ms 860 KB Output is correct
92 Correct 3 ms 1372 KB Output is correct
93 Correct 67 ms 14472 KB Output is correct
94 Incorrect 1 ms 860 KB Answer gives possible 1 while actual possible 0
95 Halted 0 ms 0 KB -