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답안 #301547

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
301547 2020-09-18T04:16:52 Z jwvg0425 슈퍼트리 잇기 (IOI20_supertrees) C++17
0 / 100
 1 ms 384 KB 
#include "supertrees.h"
#include <vector>

using namespace std;

int par[1005];

int find(int x)
{
	if (par[x] == x)
		return x;

	return par[x] = find(par[x]);
}

void merge(int x, int y)
{
	x = find(x);
	y = find(y);

	par[x] = y;
}

int construct(vector<vector<int>> p)
{
	int n = p.size();

	for (int i = 0; i < n; i++)
		par[i] = i;

	vector<vector<int>> answer;
	for (int i = 0; i < n; i++)
	{
		vector<int> row;
		row.resize(n);
		answer.push_back(row);
	}

	for (int i = 0; i < n; i++)
	{
		for (int j = i + 1; j < n; j++)
		{
			if (p[i][j] == 0)
				continue;

			if (find(i) == find(j))
				continue;

			answer[i][j] = answer[j][i] = 1;
		}
	}

	build(answer);
	return 1;
}

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Incorrect 1 ms 256 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Incorrect 1 ms 256 KB Too many ways to get from 1 to 4, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -