Submission #823072

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
823072	2023-08-12T07:35:10 Z	Sohsoh84	Connecting Supertrees (IOI20_supertrees)	C++17	21 / 100	177 ms	22448 KB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1e5 + 10;

int f[MAXN];

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

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

		f[i] = i;
		f[i] = f[lst];

		if (lst < i) answer[i][lst] = answer[lst][i] = 1;
	}

	for (int i = 0; i < n; i++)
		for (int j = i + 1; j < n; j++)
			if (p[i][j] ^ (f[i] == f[j]))
				return 0;

	build(answer);
	return 1;
}

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	160 ms	21952 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	160 ms	21952 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	6 ms	1108 KB	Output is correct
13	Correct	155 ms	22024 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	69 ms	12044 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	41 ms	6084 KB	Output is correct
21	Correct	155 ms	22348 KB	Output is correct
22	Correct	155 ms	22392 KB	Output is correct
23	Correct	162 ms	22348 KB	Output is correct
24	Correct	177 ms	22332 KB	Output is correct
25	Correct	66 ms	12516 KB	Output is correct
26	Correct	66 ms	12432 KB	Output is correct
27	Correct	163 ms	22448 KB	Output is correct
28	Correct	159 ms	22424 KB	Output is correct

Subtask #3

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Incorrect	0 ms	212 KB	Answer gives possible 0 while actual possible 1
6	Halted	0 ms	0 KB	-

Subtask #4

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Incorrect	0 ms	212 KB	Answer gives possible 0 while actual possible 1
3	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	160 ms	21952 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	6 ms	1108 KB	Output is correct
13	Correct	155 ms	22024 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	69 ms	12044 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	41 ms	6084 KB	Output is correct
21	Correct	155 ms	22348 KB	Output is correct
22	Correct	155 ms	22392 KB	Output is correct
23	Correct	162 ms	22348 KB	Output is correct
24	Correct	177 ms	22332 KB	Output is correct
25	Correct	66 ms	12516 KB	Output is correct
26	Correct	66 ms	12432 KB	Output is correct
27	Correct	163 ms	22448 KB	Output is correct
28	Correct	159 ms	22424 KB	Output is correct
29	Correct	1 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	Correct	0 ms	212 KB	Output is correct
33	Incorrect	0 ms	212 KB	Answer gives possible 0 while actual possible 1
34	Halted	0 ms	0 KB	-

Subtask #6

0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	160 ms	21952 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	6 ms	1108 KB	Output is correct
13	Correct	155 ms	22024 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	69 ms	12044 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	41 ms	6084 KB	Output is correct
21	Correct	155 ms	22348 KB	Output is correct
22	Correct	155 ms	22392 KB	Output is correct
23	Correct	162 ms	22348 KB	Output is correct
24	Correct	177 ms	22332 KB	Output is correct
25	Correct	66 ms	12516 KB	Output is correct
26	Correct	66 ms	12432 KB	Output is correct
27	Correct	163 ms	22448 KB	Output is correct
28	Correct	159 ms	22424 KB	Output is correct
29	Correct	1 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	Correct	0 ms	212 KB	Output is correct
33	Incorrect	0 ms	212 KB	Answer gives possible 0 while actual possible 1
34	Halted	0 ms	0 KB	-