답안 #792045

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
792045	2023-07-24T14:19:06 Z	mousebeaver	슈퍼트리 잇기 (IOI20_supertrees)	C++14	21 / 100	158 ms	23980 KB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int construct(vector<vector<int>> p) 
{
	bool sub1 = true;
	bool sub2 = true;
	int n = p.size();

	for(int i = 0; i < n; i++)
	{
		for(int j = 0; j < n; j++)
		{
			if(p[i][j] != 1)
			{
				sub1 = false;
			}
			if(p[i][j] > 1)
			{
				sub2 = false;
			}
		}
	}
	
	if(sub1)
	{
		vector<vector<int>> adjmatrix(n, vector<int> (n, 0));
		for(int i = 0; i < n-1; i++)
		{
			adjmatrix[i][i+1] = 1;
			adjmatrix[i+1][i] = 1;
		}
		build(adjmatrix);
		return 1;
	}
	if(sub2)
	{
		vector<vector<int>> adjmatrix(n, vector<int> (n, 0));
		vector<bool> used(n, false);
		for(int i = 0; i < n; i++)
		{
			if(!used[i])
			{
				vector<int> nodes(0);
				for(int j = 0; j < n; j++)
				{
					if(p[i][j] == 1)
					{
						nodes.push_back(j);
						used[j] = true;
					}
				}

				for(int i : nodes)
				{
					if(count(p[i].begin(), p[i].end(), 1) != (int) nodes.size())
					{
						return 0;
					}
					for(int j : nodes)
					{
						if(p[i][j] != 1)
						{
							return 0;
						}
					}
				}

				for(int i = 0; i < (int) nodes.size()-1; i++)
				{
					adjmatrix[nodes[i]][nodes[i+1]] = 1;
					adjmatrix[nodes[i+1]][nodes[i]] = 1;
				}
			}
		}
		build(adjmatrix);
		return 1;
	}
	
	//sub3:
	vector<vector<int>> adjmatrix(n, vector<int> (n, 0));
	vector<bool> used(n, false);
	for(int i = 0; i < n; i++)
	{
		if(!used[i])
		{
			vector<int> nodes(0);
			for(int j = 0; j < n; j++)
			{
				if(p[i][j] > 0)
				{
					nodes.push_back(j);
					used[j] = true;
				}
			}

			for(int i : nodes)
			{
				if(count(p[i].begin(), p[i].end(), 0) != n-nodes.size())
				{
					return 0;
				}
				for(int j : nodes)
				{
					if(p[i][j] == 0)
					{
						return 0;
					}
				}
			}

			for(int i = 0; i < (int) nodes.size()-1; i++)
			{
				adjmatrix[nodes[i]][nodes[i+1]] = 1;
				adjmatrix[nodes[i+1]][nodes[i]] = 1;
			}
			adjmatrix[nodes[0]][nodes[nodes.size()-1]] = 1;
			adjmatrix[nodes[nodes.size()-1]][nodes[0]] = 1;
		}
	}
	build(adjmatrix);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:100:43: warning: comparison of integer expressions of different signedness: 'std::__iterator_traits<__gnu_cxx::__normal_iterator<int*, std::vector<int> >, void>::difference_type' {aka 'long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |     if(count(p[i].begin(), p[i].end(), 0) != n-nodes.size())
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	6 ms	1108 KB	Output is correct
7	Correct	152 ms	22020 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	6 ms	1108 KB	Output is correct
7	Correct	152 ms	22020 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	9 ms	1108 KB	Output is correct
13	Correct	153 ms	22000 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	3 ms	724 KB	Output is correct
17	Correct	67 ms	12048 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	37 ms	5768 KB	Output is correct
21	Correct	153 ms	22092 KB	Output is correct
22	Correct	146 ms	22016 KB	Output is correct
23	Correct	152 ms	22032 KB	Output is correct
24	Correct	150 ms	21964 KB	Output is correct
25	Correct	60 ms	12048 KB	Output is correct
26	Correct	59 ms	12036 KB	Output is correct
27	Correct	152 ms	22016 KB	Output is correct
28	Correct	151 ms	22016 KB	Output is correct

Subtask #3
0 / 19.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Incorrect	212 KB	Answer gives possible 1 while actual possible 0
5	Halted	0 KB	-

Subtask #4
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	224 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	37 ms	6232 KB	Output is correct
5	Correct	149 ms	23936 KB	Output is correct
6	Correct	146 ms	23936 KB	Output is correct
7	Correct	158 ms	23980 KB	Output is correct
8	Incorrect	1 ms	212 KB	b[4][4] is not 0
9	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	6 ms	1108 KB	Output is correct
7	Correct	152 ms	22020 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	9 ms	1108 KB	Output is correct
13	Correct	153 ms	22000 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	3 ms	724 KB	Output is correct
17	Correct	67 ms	12048 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	37 ms	5768 KB	Output is correct
21	Correct	153 ms	22092 KB	Output is correct
22	Correct	146 ms	22016 KB	Output is correct
23	Correct	152 ms	22032 KB	Output is correct
24	Correct	150 ms	21964 KB	Output is correct
25	Correct	60 ms	12048 KB	Output is correct
26	Correct	59 ms	12036 KB	Output is correct
27	Correct	152 ms	22016 KB	Output is correct
28	Correct	151 ms	22016 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Incorrect	0 ms	212 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	6 ms	1108 KB	Output is correct
7	Correct	152 ms	22020 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	9 ms	1108 KB	Output is correct
13	Correct	153 ms	22000 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	3 ms	724 KB	Output is correct
17	Correct	67 ms	12048 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	37 ms	5768 KB	Output is correct
21	Correct	153 ms	22092 KB	Output is correct
22	Correct	146 ms	22016 KB	Output is correct
23	Correct	152 ms	22032 KB	Output is correct
24	Correct	150 ms	21964 KB	Output is correct
25	Correct	60 ms	12048 KB	Output is correct
26	Correct	59 ms	12036 KB	Output is correct
27	Correct	152 ms	22016 KB	Output is correct
28	Correct	151 ms	22016 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Incorrect	0 ms	212 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-

답안 #792045

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