oj.uz

Submission #832300

# Submission time Handle Problem Language Result Execution time Memory
832300 2023-08-21T08:38:17 Z Johann Connecting Supertrees (IOI20_supertrees) C++14
96 / 100
 194 ms 24012 KB 
#include "supertrees.h"
#include "bits/stdc++.h"
using namespace std;

typedef vector<int> vi;
typedef vector<vi> vvi;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

int construct(std::vector<std::vector<int>> p)
{
	int N = p.size();
	vi comp(N, -1);

	vvi ans(N, vi(N, 0));
	for (int v = 0; v < N; ++v)
	{
		if (comp[v] == -1)
		{
			vvi c(4);
			comp[v] = v;
			for (int u = 0; u < N; ++u)
			{
				if (p[v][u] == 0 || u == v)
					continue;
				if (comp[u] != -1)
					return 0;
				comp[u] = v;
				c[p[v][u]].push_back(u);
			}

			if (sz(c[2]) && sz(c[3]))
				return 0;

			for (int u : c[1])
			{
				ans[v][u] = ans[u][v] = 1;
				for (int w = 0; w < N; ++w)
					if (comp[w] != comp[u] && p[u][w] > 0)
						return 0;
				for (int w : c[1])
					if (p[u][w] != 1)
						return 0;
				for (int w : c[2])
					if (p[u][w] != 2)
						return 0;
				for (int w : c[3])
					if (p[u][w] != 3)
						return 0;
			}

			if (!c[2].empty())
			{
				for (int u : c[2])
					for (int w = 0; w < N; ++w)
						if (comp[w] != comp[u] && p[u][w] > 0)
							return 0;

				int last = v;
				vi belongs(sz(c[2]), -1);
				for (int i = 0; i < sz(c[2]); ++i)
				{
					int u = c[2][i];
					if (belongs[i] == -1)
					{
						ans[last][u] = ans[u][last] = 1;
						last = u;
						belongs[i] = u;
					}
					for (int j = i + 1; j < sz(c[2]); ++j)
					{
						int w = c[2][j];
						if (p[u][w] == 1)
						{
							if (belongs[j] != -1)
							{
								if (belongs[j] != belongs[i])
									return 0;
							}
							else
							{
								belongs[j] = belongs[i];
								ans[w][u] = ans[u][w] = 1;
							}
						}
						else if (p[u][w] == 2)
						{
							if (belongs[i] == belongs[j])
								return 0;
						}
						else
							return 0;
					}
				}
				if (ans[v][last])
					return 0;
				ans[v][last] = ans[last][v] = 1;
			}
		}
	}

	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 7 ms 1188 KB Output is correct
7 Correct 157 ms 22036 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 7 ms 1188 KB Output is correct
7 Correct 157 ms 22036 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1108 KB Output is correct
13 Correct 162 ms 22020 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 68 ms 12052 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 39 ms 5668 KB Output is correct
21 Correct 160 ms 22028 KB Output is correct
22 Correct 166 ms 21968 KB Output is correct
23 Correct 161 ms 22052 KB Output is correct
24 Correct 156 ms 22020 KB Output is correct
25 Correct 69 ms 12044 KB Output is correct
26 Correct 75 ms 12040 KB Output is correct
27 Correct 161 ms 21964 KB Output is correct
28 Correct 155 ms 22032 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 8 ms 1096 KB Output is correct
9 Correct 155 ms 22032 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1108 KB Output is correct
13 Correct 159 ms 21980 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 70 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 1 ms 212 KB Output is correct
21 Correct 40 ms 6260 KB Output is correct
22 Correct 157 ms 24012 KB Output is correct
23 Correct 165 ms 23944 KB Output is correct
24 Correct 182 ms 23884 KB Output is correct
25 Correct 65 ms 14068 KB Output is correct
26 Correct 69 ms 14076 KB Output is correct
27 Correct 155 ms 23924 KB Output is correct
28 Correct 194 ms 23920 KB Output is correct
29 Correct 65 ms 14028 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 40 ms 5676 KB Output is correct
5 Correct 156 ms 22028 KB Output is correct
6 Correct 164 ms 22020 KB Output is correct
7 Correct 163 ms 22020 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 48 ms 5760 KB Output is correct
10 Correct 164 ms 22016 KB Output is correct
11 Correct 156 ms 21988 KB Output is correct
12 Correct 167 ms 22016 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 39 ms 5784 KB Output is correct
17 Correct 157 ms 22036 KB Output is correct
18 Correct 161 ms 22044 KB Output is correct
19 Correct 157 ms 22028 KB Output is correct
20 Correct 156 ms 22016 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 7 ms 1188 KB Output is correct
7 Correct 157 ms 22036 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1108 KB Output is correct
13 Correct 162 ms 22020 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 68 ms 12052 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 39 ms 5668 KB Output is correct
21 Correct 160 ms 22028 KB Output is correct
22 Correct 166 ms 21968 KB Output is correct
23 Correct 161 ms 22052 KB Output is correct
24 Correct 156 ms 22020 KB Output is correct
25 Correct 69 ms 12044 KB Output is correct
26 Correct 75 ms 12040 KB Output is correct
27 Correct 161 ms 21964 KB Output is correct
28 Correct 155 ms 22032 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 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 8 ms 1096 KB Output is correct
37 Correct 155 ms 22032 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 7 ms 1108 KB Output is correct
41 Correct 159 ms 21980 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 3 ms 724 KB Output is correct
45 Correct 70 ms 12048 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 40 ms 6260 KB Output is correct
50 Correct 157 ms 24012 KB Output is correct
51 Correct 165 ms 23944 KB Output is correct
52 Correct 182 ms 23884 KB Output is correct
53 Correct 65 ms 14068 KB Output is correct
54 Correct 69 ms 14076 KB Output is correct
55 Correct 155 ms 23924 KB Output is correct
56 Correct 194 ms 23920 KB Output is correct
57 Correct 65 ms 14028 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 3 ms 852 KB Output is correct
61 Correct 68 ms 14076 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 296 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 40 ms 6264 KB Output is correct
66 Correct 79 ms 14028 KB Output is correct
67 Correct 69 ms 14084 KB Output is correct
68 Correct 67 ms 14068 KB Output is correct
69 Correct 64 ms 14080 KB Output is correct

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 7 ms 1188 KB Output is correct
7 Correct 157 ms 22036 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 7 ms 1108 KB Output is correct
13 Correct 162 ms 22020 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 68 ms 12052 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 39 ms 5668 KB Output is correct
21 Correct 160 ms 22028 KB Output is correct
22 Correct 166 ms 21968 KB Output is correct
23 Correct 161 ms 22052 KB Output is correct
24 Correct 156 ms 22020 KB Output is correct
25 Correct 69 ms 12044 KB Output is correct
26 Correct 75 ms 12040 KB Output is correct
27 Correct 161 ms 21964 KB Output is correct
28 Correct 155 ms 22032 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 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 8 ms 1096 KB Output is correct
37 Correct 155 ms 22032 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 7 ms 1108 KB Output is correct
41 Correct 159 ms 21980 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 3 ms 724 KB Output is correct
45 Correct 70 ms 12048 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 40 ms 6260 KB Output is correct
50 Correct 157 ms 24012 KB Output is correct
51 Correct 165 ms 23944 KB Output is correct
52 Correct 182 ms 23884 KB Output is correct
53 Correct 65 ms 14068 KB Output is correct
54 Correct 69 ms 14076 KB Output is correct
55 Correct 155 ms 23924 KB Output is correct
56 Correct 194 ms 23920 KB Output is correct
57 Correct 65 ms 14028 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 40 ms 5676 KB Output is correct
62 Correct 156 ms 22028 KB Output is correct
63 Correct 164 ms 22020 KB Output is correct
64 Correct 163 ms 22020 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 48 ms 5760 KB Output is correct
67 Correct 164 ms 22016 KB Output is correct
68 Correct 156 ms 21988 KB Output is correct
69 Correct 167 ms 22016 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 0 ms 212 KB Output is correct
73 Correct 39 ms 5784 KB Output is correct
74 Correct 157 ms 22036 KB Output is correct
75 Correct 161 ms 22044 KB Output is correct
76 Correct 157 ms 22028 KB Output is correct
77 Correct 156 ms 22016 KB Output is correct
78 Correct 0 ms 212 KB Output is correct
79 Correct 0 ms 212 KB Output is correct
80 Correct 3 ms 852 KB Output is correct
81 Correct 68 ms 14076 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 0 ms 296 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 40 ms 6264 KB Output is correct
86 Correct 79 ms 14028 KB Output is correct
87 Correct 69 ms 14084 KB Output is correct
88 Correct 67 ms 14068 KB Output is correct
89 Correct 64 ms 14080 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 0 ms 212 KB Output is correct
92 Correct 3 ms 852 KB Output is correct
93 Correct 68 ms 14080 KB Output is correct
94 Correct 0 ms 212 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 16 ms 3696 KB Output is correct
98 Correct 66 ms 14080 KB Output is correct
99 Correct 69 ms 14068 KB Output is correct
100 Correct 66 ms 14080 KB Output is correct
101 Incorrect 156 ms 23924 KB Answer gives possible 1 while actual possible 0
102 Halted 0 ms 0 KB -