답안 #1078704

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1078704	2024-08-28T04:43:36 Z	Muhammad_Aneeq	슈퍼트리 잇기 (IOI20_supertrees)	C++17	21 / 100	129 ms	23436 KB

supertrees

#include <vector>
#include <queue>
using namespace std;
void build(vector<vector<int>> b);
int construct(vector<vector<int>> p)
{
	int n=p.size();
	bool subt1=1,subt2=1,subt3=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 (p[i][j]==1)
				subt3=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;
	}
	if (subt3)
	{
		bool vis[n]={};
		int head[n]={};
		vector<vector<int>>b(n,vector<int>(n));
		for (int i=0;i<n;i++)
		{
			if (!vis[i])
			{
				vector<int>z;
				for (int j=0;j<n;j++)
				{
					if (p[i][j])
						z.push_back(j);
				}
				if (z.size()==1)
					continue;
				if (z.size()==2)
					return 0;
				for (int j=0;j<z.size();j++)
				{
					vis[z[j]]=1;
					head[z[j]]=i;
					b[z[j]][z[(j+1)%z.size()]]=b[z[(j+1)%z.size()]][z[j]]=1;
				}
			}
		}
		for (int i=0;i<n;i++)
		{
			for (int j=i+1;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;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:85:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |     for (int j=0;j<z.size();j++)
      |                  ~^~~~~~~~~

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	424 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	5 ms	1380 KB	Output is correct
7	Correct	120 ms	23356 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	424 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	5 ms	1380 KB	Output is correct
7	Correct	120 ms	23356 KB	Output is correct
8	Correct	0 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	0 ms	348 KB	Output is correct
12	Correct	5 ms	1372 KB	Output is correct
13	Correct	128 ms	23292 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	61 ms	13392 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	428 KB	Output is correct
20	Correct	28 ms	6224 KB	Output is correct
21	Correct	118 ms	23380 KB	Output is correct
22	Correct	118 ms	23308 KB	Output is correct
23	Correct	119 ms	23376 KB	Output is correct
24	Correct	123 ms	23288 KB	Output is correct
25	Correct	55 ms	13396 KB	Output is correct
26	Correct	55 ms	13392 KB	Output is correct
27	Correct	122 ms	23436 KB	Output is correct
28	Correct	112 ms	23204 KB	Output is correct

Subtask #3
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	604 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	424 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	416 KB	Output is correct
8	Correct	7 ms	1368 KB	Output is correct
9	Correct	117 ms	23292 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	5 ms	1368 KB	Output is correct
13	Correct	120 ms	23412 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1112 KB	Output is correct
17	Correct	56 ms	13436 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Incorrect	0 ms	424 KB	Answer gives possible 0 while actual possible 1
21	Halted	0 ms	0 KB	-

Subtask #4
0 / 35.0

#	결과	실행 시간	메모리	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	29 ms	6236 KB	Output is correct
5	Correct	123 ms	23288 KB	Output is correct
6	Correct	112 ms	23380 KB	Output is correct
7	Correct	129 ms	23272 KB	Output is correct
8	Incorrect	0 ms	344 KB	Answer gives possible 0 while actual possible 1
9	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	424 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	5 ms	1380 KB	Output is correct
7	Correct	120 ms	23356 KB	Output is correct
8	Correct	0 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	0 ms	348 KB	Output is correct
12	Correct	5 ms	1372 KB	Output is correct
13	Correct	128 ms	23292 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	61 ms	13392 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	428 KB	Output is correct
20	Correct	28 ms	6224 KB	Output is correct
21	Correct	118 ms	23380 KB	Output is correct
22	Correct	118 ms	23308 KB	Output is correct
23	Correct	119 ms	23376 KB	Output is correct
24	Correct	123 ms	23288 KB	Output is correct
25	Correct	55 ms	13396 KB	Output is correct
26	Correct	55 ms	13392 KB	Output is correct
27	Correct	122 ms	23436 KB	Output is correct
28	Correct	112 ms	23204 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	604 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	424 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	416 KB	Output is correct
36	Correct	7 ms	1368 KB	Output is correct
37	Correct	117 ms	23292 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	5 ms	1368 KB	Output is correct
41	Correct	120 ms	23412 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	3 ms	1112 KB	Output is correct
45	Correct	56 ms	13436 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Incorrect	0 ms	424 KB	Answer gives possible 0 while actual possible 1
49	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 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	424 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	5 ms	1380 KB	Output is correct
7	Correct	120 ms	23356 KB	Output is correct
8	Correct	0 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	0 ms	348 KB	Output is correct
12	Correct	5 ms	1372 KB	Output is correct
13	Correct	128 ms	23292 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	856 KB	Output is correct
17	Correct	61 ms	13392 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	428 KB	Output is correct
20	Correct	28 ms	6224 KB	Output is correct
21	Correct	118 ms	23380 KB	Output is correct
22	Correct	118 ms	23308 KB	Output is correct
23	Correct	119 ms	23376 KB	Output is correct
24	Correct	123 ms	23288 KB	Output is correct
25	Correct	55 ms	13396 KB	Output is correct
26	Correct	55 ms	13392 KB	Output is correct
27	Correct	122 ms	23436 KB	Output is correct
28	Correct	112 ms	23204 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	604 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	424 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	416 KB	Output is correct
36	Correct	7 ms	1368 KB	Output is correct
37	Correct	117 ms	23292 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	5 ms	1368 KB	Output is correct
41	Correct	120 ms	23412 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	3 ms	1112 KB	Output is correct
45	Correct	56 ms	13436 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Incorrect	0 ms	424 KB	Answer gives possible 0 while actual possible 1
49	Halted	0 ms	0 KB	-

답안 #1078704

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 19.0

Subtask #4 0 / 35.0

Subtask #5 0 / 21.0

Subtask #6 0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 19.0

Subtask #4
0 / 35.0

Subtask #5
0 / 21.0

Subtask #6
0 / 4.0