Submission #1078691

# Submission time Handle Problem Language Result Execution time Memory
1078691 2024-08-28T04:29:17 Z Muhammad_Aneeq Connecting Supertrees (IOI20_supertrees) C++17
21 / 100
136 ms 24060 KB
#include <vector>
using namespace std;
void build(vector<vector<int>> b);
int construct(vector<vector<int>> p)
{
	int n=p.size();
	bool subt1=1,subt2=1;
	for (int i=0;i<n;i++)
	{
		for (int j=i+1;j<n;j++)
		{
			if (p[i][j]!=1)
				subt1=0;
			if (p[i][j]>1)
				subt2=0;
		}
	}
	if (subt1)
	{
		vector<vector<int>>b(n,vector<int>(n));
		for (int i=1;i<n;i++)
			b[0][i]=b[i][0]=1;
		build(b);
		return 1;
	}
	if (subt2)
	{
		bool vis[n]={};
		int head[n]={};
		vector<vector<int>>b(n,vector<int>(n));
		for (int i=0;i<n;i++)
		{
			if (!vis[i])
			{
				vis[i]=1;
				head[i]=i;
				for (int j=0;j<n;j++)
				{
					if (vis[j])
						continue;
					if (p[i][j])
					{
						vis[j]=1;
						b[i][j]=b[j][i]=1;
						head[j]=i;
					}
				}
			}
		}
		for (int i=0;i<n;i++)
		{
			for (int j=0;j<n;j++)
			{
				if (p[i][j]&&head[i]!=head[j])
					return 0;
				if (p[i][j]==0&&head[i]==head[j])
					return 0;
			}
		}
		build(b);
		return 1;
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 116 ms 23120 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 116 ms 23120 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 115 ms 23348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 60 ms 13216 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 28 ms 6136 KB Output is correct
21 Correct 126 ms 24060 KB Output is correct
22 Correct 121 ms 23888 KB Output is correct
23 Correct 136 ms 24036 KB Output is correct
24 Correct 115 ms 23936 KB Output is correct
25 Correct 51 ms 14072 KB Output is correct
26 Correct 57 ms 14204 KB Output is correct
27 Correct 121 ms 24060 KB Output is correct
28 Correct 113 ms 23936 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 424 KB Output is correct
2 Incorrect 1 ms 348 KB Answer gives possible 0 while actual possible 1
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 116 ms 23120 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 115 ms 23348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 60 ms 13216 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 28 ms 6136 KB Output is correct
21 Correct 126 ms 24060 KB Output is correct
22 Correct 121 ms 23888 KB Output is correct
23 Correct 136 ms 24036 KB Output is correct
24 Correct 115 ms 23936 KB Output is correct
25 Correct 51 ms 14072 KB Output is correct
26 Correct 57 ms 14204 KB Output is correct
27 Correct 121 ms 24060 KB Output is correct
28 Correct 113 ms 23936 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
34 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 116 ms 23120 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 5 ms 1372 KB Output is correct
13 Correct 115 ms 23348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 60 ms 13216 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 28 ms 6136 KB Output is correct
21 Correct 126 ms 24060 KB Output is correct
22 Correct 121 ms 23888 KB Output is correct
23 Correct 136 ms 24036 KB Output is correct
24 Correct 115 ms 23936 KB Output is correct
25 Correct 51 ms 14072 KB Output is correct
26 Correct 57 ms 14204 KB Output is correct
27 Correct 121 ms 24060 KB Output is correct
28 Correct 113 ms 23936 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Incorrect 0 ms 348 KB Answer gives possible 0 while actual possible 1
34 Halted 0 ms 0 KB -