oj.uz

답안 #502970

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
502970 2022-01-06T20:43:07 Z sliviu 슈퍼트리 잇기 (IOI20_supertrees) C++14
40 / 100
 175 ms 22144 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

int construct(vector<vector<int>> p) {
	int n = p.size(), cur = 0, bad = 0, sp = 0;
	vector<vector<int>> ans(n, vector<int>(n));
	vector<int> seen(n), solved(n), cycle;
	function<void(int)> dfs = [&](int node) {
		if (bad)
			return;
		seen[node] = cur;
		int c1 = 0, c2 = 0;
		for (int i = 0; i < n; ++i)
			if (i != node) {
				if (p[node][i] == 1)
					++c1;
				else if (p[node][i] == 2)
					++c2;
				else if (p[node][i] == 3)
					bad = 1;
				if (!seen[i] && p[node][i])
					dfs(i);
				if (!p[node][i] && seen[i] == cur)
					bad = 1;
			}
		if (!c1 && c2)
			cycle.emplace_back(node);
		if (c1 && c2)
			sp = 1;
		if (!solved[cur] && c1) {
			solved[cur] = 1;
			int cur = node;
			for (int i = 0; i < n; ++i)
				if (i != node && p[node][i] == 1)
					ans[cur][i] = ans[i][cur] = 1, cur = i;
		}
	};
	for (int i = 0; i < n; ++i)
		if (!seen[i]) {
			cycle.clear();
			++cur;
			sp = 0;
			dfs(i);
			if (bad)
				return 0;
			if (!cycle.empty()) {
				if (cycle.size() + sp == 2)
					return 0;
				int cur = i;
				for (auto x : cycle)
					if (x != i) {
						ans[cur][x] = ans[x][cur] = 1;
						cur = x;
					}
				ans[cur][i] = ans[i][cur] = 1;
			}
		}
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 7 ms 1180 KB Output is correct
7 Correct 160 ms 22008 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 7 ms 1180 KB Output is correct
7 Correct 160 ms 22008 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 7 ms 1100 KB Output is correct
13 Correct 160 ms 22032 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 3 ms 716 KB Output is correct
17 Correct 69 ms 12024 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 43 ms 5700 KB Output is correct
21 Correct 163 ms 22024 KB Output is correct
22 Correct 162 ms 21936 KB Output is correct
23 Correct 169 ms 22028 KB Output is correct
24 Correct 162 ms 21972 KB Output is correct
25 Correct 68 ms 12040 KB Output is correct
26 Correct 64 ms 12032 KB Output is correct
27 Correct 169 ms 22008 KB Output is correct
28 Correct 164 ms 22036 KB Output is correct

Subtask #3
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 8 ms 1304 KB Output is correct
9 Correct 160 ms 22024 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 7 ms 1168 KB Output is correct
13 Correct 164 ms 22028 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 4 ms 716 KB Output is correct
17 Correct 70 ms 12044 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 41 ms 5724 KB Output is correct
22 Correct 168 ms 21956 KB Output is correct
23 Correct 163 ms 22008 KB Output is correct
24 Correct 175 ms 21980 KB Output is correct
25 Correct 64 ms 12040 KB Output is correct
26 Correct 66 ms 12032 KB Output is correct
27 Correct 162 ms 21952 KB Output is correct
28 Correct 170 ms 22020 KB Output is correct
29 Correct 64 ms 12024 KB Output is correct

Subtask #4
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 48 ms 5748 KB Output is correct
5 Correct 173 ms 21964 KB Output is correct
6 Correct 163 ms 21956 KB Output is correct
7 Correct 171 ms 22084 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 41 ms 5704 KB Output is correct
10 Correct 162 ms 22020 KB Output is correct
11 Correct 164 ms 21956 KB Output is correct
12 Correct 172 ms 22144 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Incorrect 17 ms 3276 KB Answer gives possible 0 while actual possible 1
17 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 7 ms 1180 KB Output is correct
7 Correct 160 ms 22008 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 7 ms 1100 KB Output is correct
13 Correct 160 ms 22032 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 3 ms 716 KB Output is correct
17 Correct 69 ms 12024 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 43 ms 5700 KB Output is correct
21 Correct 163 ms 22024 KB Output is correct
22 Correct 162 ms 21936 KB Output is correct
23 Correct 169 ms 22028 KB Output is correct
24 Correct 162 ms 21972 KB Output is correct
25 Correct 68 ms 12040 KB Output is correct
26 Correct 64 ms 12032 KB Output is correct
27 Correct 169 ms 22008 KB Output is correct
28 Correct 164 ms 22036 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 8 ms 1304 KB Output is correct
37 Correct 160 ms 22024 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 7 ms 1168 KB Output is correct
41 Correct 164 ms 22028 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 4 ms 716 KB Output is correct
45 Correct 70 ms 12044 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 41 ms 5724 KB Output is correct
50 Correct 168 ms 21956 KB Output is correct
51 Correct 163 ms 22008 KB Output is correct
52 Correct 175 ms 21980 KB Output is correct
53 Correct 64 ms 12040 KB Output is correct
54 Correct 66 ms 12032 KB Output is correct
55 Correct 162 ms 21952 KB Output is correct
56 Correct 170 ms 22020 KB Output is correct
57 Correct 64 ms 12024 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 204 KB Output is correct
60 Correct 3 ms 716 KB Output is correct
61 Correct 69 ms 12040 KB Output is correct
62 Correct 0 ms 204 KB Output is correct
63 Correct 0 ms 204 KB Output is correct
64 Correct 0 ms 204 KB Output is correct
65 Incorrect 25 ms 3196 KB Answer gives possible 0 while actual possible 1
66 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 7 ms 1180 KB Output is correct
7 Correct 160 ms 22008 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 7 ms 1100 KB Output is correct
13 Correct 160 ms 22032 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 3 ms 716 KB Output is correct
17 Correct 69 ms 12024 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 43 ms 5700 KB Output is correct
21 Correct 163 ms 22024 KB Output is correct
22 Correct 162 ms 21936 KB Output is correct
23 Correct 169 ms 22028 KB Output is correct
24 Correct 162 ms 21972 KB Output is correct
25 Correct 68 ms 12040 KB Output is correct
26 Correct 64 ms 12032 KB Output is correct
27 Correct 169 ms 22008 KB Output is correct
28 Correct 164 ms 22036 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 8 ms 1304 KB Output is correct
37 Correct 160 ms 22024 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 7 ms 1168 KB Output is correct
41 Correct 164 ms 22028 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 4 ms 716 KB Output is correct
45 Correct 70 ms 12044 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 41 ms 5724 KB Output is correct
50 Correct 168 ms 21956 KB Output is correct
51 Correct 163 ms 22008 KB Output is correct
52 Correct 175 ms 21980 KB Output is correct
53 Correct 64 ms 12040 KB Output is correct
54 Correct 66 ms 12032 KB Output is correct
55 Correct 162 ms 21952 KB Output is correct
56 Correct 170 ms 22020 KB Output is correct
57 Correct 64 ms 12024 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 204 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 48 ms 5748 KB Output is correct
62 Correct 173 ms 21964 KB Output is correct
63 Correct 163 ms 21956 KB Output is correct
64 Correct 171 ms 22084 KB Output is correct
65 Correct 0 ms 204 KB Output is correct
66 Correct 41 ms 5704 KB Output is correct
67 Correct 162 ms 22020 KB Output is correct
68 Correct 164 ms 21956 KB Output is correct
69 Correct 172 ms 22144 KB Output is correct
70 Correct 0 ms 204 KB Output is correct
71 Correct 0 ms 204 KB Output is correct
72 Correct 0 ms 204 KB Output is correct
73 Incorrect 17 ms 3276 KB Answer gives possible 0 while actual possible 1
74 Halted 0 ms 0 KB -