oj.uz

Submission #303009

# Submission time Handle Problem Language Result Execution time Memory
303009 2020-09-19T18:03:26 Z tutis Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 277 ms 22264 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
int construct(vector<vector<int>> p) {
	int n = p.size();
	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
			if (p[i][j] == 3)
				return 0;
	int C[n];
	iota(C, C + n, 0);
	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
		{
			if (p[i][j] == 1 && C[i] != C[j])
			{
				int x = C[i];
				for (int a = 0; a < n; a++)
					if (C[a] == x)
						C[a] = C[j];
			}
		}
	vector<vector<int>>ans(n, vector<int>(n, 0));
	for (int i = 0; i < n; i++)
		if (C[i] != i)
			ans[i][C[i]] = ans[C[i]][i] = 1;
	int X[n];
	for (int i = 0; i < n; i++)
		if (C[i] == i)
			X[i] = i;
		else
			X[i] = -1;
	for (int i = 0; i < n; i++)
		for (int j = 0; j < n; j++)
		{
			if (p[i][j] == 2 && X[i] != X[j] && X[i] != -1 && X[j] != -1)
			{
				int x = X[i];
				for (int a = 0; a < n; a++)
					if (X[a] == x)
						X[a] = X[j];
			}
		}
	for (int i = 0; i < n; i++)
	{
		vector<int>x;
		for (int j = 0; j < n; j++)
			if (X[j] == i)
				x.push_back(j);
		if (x.size() > 1)
		{
			if (x.size() == 2)
				return 0;
			int a = x.back();
			for (int b : x)
			{
				ans[a][b] = ans[b][a] = 1;
				a = b;
			}
		}
	}
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < n; j++)
		{
			if (p[i][j] == 0 && X[C[i]] == X[C[j]])
				return 0;
			if (p[i][j] == 1 && C[i] != C[j])
				return 0;
			if (p[i][j] == 2 && (X[C[i]] != X[C[j]] || C[i] == C[j]))
				return 0;
		}
	}
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 277 ms 22136 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 277 ms 22136 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 10 ms 1152 KB Output is correct
13 Correct 265 ms 22100 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 139 ms 12156 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 64 ms 5752 KB Output is correct
21 Correct 254 ms 22108 KB Output is correct
22 Correct 240 ms 22136 KB Output is correct
23 Correct 260 ms 22104 KB Output is correct
24 Correct 238 ms 22136 KB Output is correct
25 Correct 110 ms 12152 KB Output is correct
26 Correct 105 ms 12152 KB Output is correct
27 Correct 257 ms 22104 KB Output is correct
28 Correct 244 ms 22136 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 11 ms 1152 KB Output is correct
9 Correct 241 ms 22068 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1152 KB Output is correct
13 Correct 254 ms 22136 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 6 ms 768 KB Output is correct
17 Correct 121 ms 12152 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 61 ms 5752 KB Output is correct
22 Correct 242 ms 22136 KB Output is correct
23 Correct 243 ms 22136 KB Output is correct
24 Correct 258 ms 22100 KB Output is correct
25 Correct 109 ms 12124 KB Output is correct
26 Correct 107 ms 12280 KB Output is correct
27 Correct 244 ms 22136 KB Output is correct
28 Correct 256 ms 22264 KB Output is correct
29 Correct 106 ms 12152 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 60 ms 5800 KB Output is correct
5 Correct 245 ms 22048 KB Output is correct
6 Correct 245 ms 22136 KB Output is correct
7 Correct 257 ms 22140 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 65 ms 5752 KB Output is correct
10 Correct 247 ms 22136 KB Output is correct
11 Correct 240 ms 22264 KB Output is correct
12 Correct 259 ms 22136 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 61 ms 5848 KB Output is correct
17 Correct 259 ms 22264 KB Output is correct
18 Correct 244 ms 22136 KB Output is correct
19 Correct 245 ms 22136 KB Output is correct
20 Correct 256 ms 22136 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 277 ms 22136 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 10 ms 1152 KB Output is correct
13 Correct 265 ms 22100 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 139 ms 12156 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 64 ms 5752 KB Output is correct
21 Correct 254 ms 22108 KB Output is correct
22 Correct 240 ms 22136 KB Output is correct
23 Correct 260 ms 22104 KB Output is correct
24 Correct 238 ms 22136 KB Output is correct
25 Correct 110 ms 12152 KB Output is correct
26 Correct 105 ms 12152 KB Output is correct
27 Correct 257 ms 22104 KB Output is correct
28 Correct 244 ms 22136 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 11 ms 1152 KB Output is correct
37 Correct 241 ms 22068 KB Output is correct
38 Correct 0 ms 256 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 11 ms 1152 KB Output is correct
41 Correct 254 ms 22136 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 6 ms 768 KB Output is correct
45 Correct 121 ms 12152 KB Output is correct
46 Correct 0 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 61 ms 5752 KB Output is correct
50 Correct 242 ms 22136 KB Output is correct
51 Correct 243 ms 22136 KB Output is correct
52 Correct 258 ms 22100 KB Output is correct
53 Correct 109 ms 12124 KB Output is correct
54 Correct 107 ms 12280 KB Output is correct
55 Correct 244 ms 22136 KB Output is correct
56 Correct 256 ms 22264 KB Output is correct
57 Correct 106 ms 12152 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 1 ms 256 KB Output is correct
60 Correct 6 ms 768 KB Output is correct
61 Correct 124 ms 12152 KB Output is correct
62 Correct 1 ms 256 KB Output is correct
63 Correct 0 ms 256 KB Output is correct
64 Correct 1 ms 256 KB Output is correct
65 Correct 62 ms 5752 KB Output is correct
66 Correct 108 ms 12152 KB Output is correct
67 Correct 105 ms 12152 KB Output is correct
68 Correct 106 ms 12152 KB Output is correct
69 Correct 104 ms 12152 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 277 ms 22136 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 10 ms 1152 KB Output is correct
13 Correct 265 ms 22100 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 139 ms 12156 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 64 ms 5752 KB Output is correct
21 Correct 254 ms 22108 KB Output is correct
22 Correct 240 ms 22136 KB Output is correct
23 Correct 260 ms 22104 KB Output is correct
24 Correct 238 ms 22136 KB Output is correct
25 Correct 110 ms 12152 KB Output is correct
26 Correct 105 ms 12152 KB Output is correct
27 Correct 257 ms 22104 KB Output is correct
28 Correct 244 ms 22136 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 0 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 11 ms 1152 KB Output is correct
37 Correct 241 ms 22068 KB Output is correct
38 Correct 0 ms 256 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 11 ms 1152 KB Output is correct
41 Correct 254 ms 22136 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 6 ms 768 KB Output is correct
45 Correct 121 ms 12152 KB Output is correct
46 Correct 0 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 61 ms 5752 KB Output is correct
50 Correct 242 ms 22136 KB Output is correct
51 Correct 243 ms 22136 KB Output is correct
52 Correct 258 ms 22100 KB Output is correct
53 Correct 109 ms 12124 KB Output is correct
54 Correct 107 ms 12280 KB Output is correct
55 Correct 244 ms 22136 KB Output is correct
56 Correct 256 ms 22264 KB Output is correct
57 Correct 106 ms 12152 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 0 ms 256 KB Output is correct
60 Correct 1 ms 384 KB Output is correct
61 Correct 60 ms 5800 KB Output is correct
62 Correct 245 ms 22048 KB Output is correct
63 Correct 245 ms 22136 KB Output is correct
64 Correct 257 ms 22140 KB Output is correct
65 Correct 1 ms 256 KB Output is correct
66 Correct 65 ms 5752 KB Output is correct
67 Correct 247 ms 22136 KB Output is correct
68 Correct 240 ms 22264 KB Output is correct
69 Correct 259 ms 22136 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 1 ms 256 KB Output is correct
72 Correct 0 ms 256 KB Output is correct
73 Correct 61 ms 5848 KB Output is correct
74 Correct 259 ms 22264 KB Output is correct
75 Correct 244 ms 22136 KB Output is correct
76 Correct 245 ms 22136 KB Output is correct
77 Correct 256 ms 22136 KB Output is correct
78 Correct 0 ms 256 KB Output is correct
79 Correct 1 ms 256 KB Output is correct
80 Correct 6 ms 768 KB Output is correct
81 Correct 124 ms 12152 KB Output is correct
82 Correct 1 ms 256 KB Output is correct
83 Correct 0 ms 256 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 62 ms 5752 KB Output is correct
86 Correct 108 ms 12152 KB Output is correct
87 Correct 105 ms 12152 KB Output is correct
88 Correct 106 ms 12152 KB Output is correct
89 Correct 104 ms 12152 KB Output is correct
90 Correct 0 ms 256 KB Output is correct
91 Correct 1 ms 256 KB Output is correct
92 Correct 5 ms 640 KB Output is correct
93 Correct 109 ms 8184 KB Output is correct
94 Correct 0 ms 256 KB Output is correct
95 Correct 0 ms 256 KB Output is correct
96 Correct 1 ms 256 KB Output is correct
97 Correct 24 ms 2304 KB Output is correct
98 Correct 98 ms 8184 KB Output is correct
99 Correct 98 ms 8152 KB Output is correct
100 Correct 100 ms 8152 KB Output is correct
101 Correct 99 ms 8184 KB Output is correct
102 Correct 109 ms 8184 KB Output is correct
103 Correct 108 ms 8188 KB Output is correct
104 Correct 108 ms 8184 KB Output is correct
105 Correct 110 ms 8212 KB Output is correct