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Submission #986409

# Submission time Handle Problem Language Result Execution time Memory
986409 2024-05-20T12:55:33 Z Pyqe Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 174 ms 24248 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

long long n,dsu[2][1069];
vector<long long> vl[1069];

long long fd(long long xx,long long x)
{
	if(dsu[xx][x]!=x)
	{
		dsu[xx][x]=fd(xx,dsu[xx][x]);
	}
	return dsu[xx][x];
}

int construct(vector<vector<int>> a)
{
	long long i,j,ii,k,l,sz;
	vector<int> v;
	vector<vector<int>> sq;
	
	n=a.size();
	for(i=0;i<n;i++)
	{
		for(ii=0;ii<2;ii++)
		{
			dsu[ii][i]=i;
		}
		sq.push_back(v);
		for(j=0;j<n;j++)
		{
			sq[i].push_back(0);
		}
	}
	for(i=0;i<n;i++)
	{
		for(j=i+1;j<n;j++)
		{
			if(a[i][j]==1&&fd(0,i)!=fd(0,j))
			{
				sq[i][j]=1;
				sq[j][i]=1;
				for(ii=0;ii<2;ii++)
				{
					dsu[ii][fd(ii,j)]=fd(ii,i);
				}
			}
		}
	}
	for(i=0;i<n;i++)
	{
		for(j=i+1;j<n;j++)
		{
			if(a[i][j]==2)
			{
				dsu[1][fd(1,j)]=fd(1,i);
			}
		}
	}
	for(i=0;i<n;i++)
	{
		if(fd(0,i)==i)
		{
			vl[fd(1,i)].push_back(i);
		}
	}
	for(i=0;i<n;i++)
	{
		sz=vl[i].size();
		if(sz==2)
		{
			return 0;
		}
		for(j=0;j<sz;j++)
		{
			k=vl[i][j];
			if(j)
			{
				sq[k][l]=1;
				sq[l][k]=1;
			}
			l=k;
		}
		if(sz>=3)
		{
			sq[l][vl[i][0]]=1;
			sq[vl[i][0]][l]=1;
		}
	}
	for(i=0;i<n;i++)
	{
		for(j=i+1;j<n;j++)
		{
			if((!a[i][j]&&fd(1,i)==fd(1,j))||(a[i][j]==2&&fd(0,i)==fd(0,j))||a[i][j]==3)
			{
				return 0;
			}
		}
	}
	build(sq);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 149 ms 24148 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 149 ms 24148 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1624 KB Output is correct
13 Correct 146 ms 24104 KB Output is correct
14 Correct 1 ms 356 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 872 KB Output is correct
17 Correct 73 ms 14360 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 37 ms 6376 KB Output is correct
21 Correct 168 ms 24116 KB Output is correct
22 Correct 149 ms 24232 KB Output is correct
23 Correct 151 ms 24144 KB Output is correct
24 Correct 150 ms 24148 KB Output is correct
25 Correct 61 ms 14164 KB Output is correct
26 Correct 61 ms 14164 KB Output is correct
27 Correct 159 ms 24144 KB Output is correct
28 Correct 148 ms 24228 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 6 ms 1624 KB Output is correct
9 Correct 155 ms 24236 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1624 KB Output is correct
13 Correct 154 ms 24148 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 107 ms 14160 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 49 ms 6420 KB Output is correct
22 Correct 150 ms 24148 KB Output is correct
23 Correct 156 ms 24060 KB Output is correct
24 Correct 156 ms 24220 KB Output is correct
25 Correct 64 ms 14168 KB Output is correct
26 Correct 65 ms 14232 KB Output is correct
27 Correct 150 ms 24148 KB Output is correct
28 Correct 156 ms 24248 KB Output is correct
29 Correct 65 ms 14164 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 39 ms 6276 KB Output is correct
5 Correct 152 ms 24204 KB Output is correct
6 Correct 146 ms 24120 KB Output is correct
7 Correct 151 ms 24144 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 38 ms 6248 KB Output is correct
10 Correct 156 ms 24088 KB Output is correct
11 Correct 174 ms 24124 KB Output is correct
12 Correct 153 ms 24080 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 43 ms 6244 KB Output is correct
17 Correct 163 ms 24088 KB Output is correct
18 Correct 157 ms 24148 KB Output is correct
19 Correct 158 ms 24052 KB Output is correct
20 Correct 157 ms 24212 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 149 ms 24148 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1624 KB Output is correct
13 Correct 146 ms 24104 KB Output is correct
14 Correct 1 ms 356 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 872 KB Output is correct
17 Correct 73 ms 14360 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 37 ms 6376 KB Output is correct
21 Correct 168 ms 24116 KB Output is correct
22 Correct 149 ms 24232 KB Output is correct
23 Correct 151 ms 24144 KB Output is correct
24 Correct 150 ms 24148 KB Output is correct
25 Correct 61 ms 14164 KB Output is correct
26 Correct 61 ms 14164 KB Output is correct
27 Correct 159 ms 24144 KB Output is correct
28 Correct 148 ms 24228 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 6 ms 1624 KB Output is correct
37 Correct 155 ms 24236 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 7 ms 1624 KB Output is correct
41 Correct 154 ms 24148 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 3 ms 860 KB Output is correct
45 Correct 107 ms 14160 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 49 ms 6420 KB Output is correct
50 Correct 150 ms 24148 KB Output is correct
51 Correct 156 ms 24060 KB Output is correct
52 Correct 156 ms 24220 KB Output is correct
53 Correct 64 ms 14168 KB Output is correct
54 Correct 65 ms 14232 KB Output is correct
55 Correct 150 ms 24148 KB Output is correct
56 Correct 156 ms 24248 KB Output is correct
57 Correct 65 ms 14164 KB Output is correct
58 Correct 1 ms 600 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 3 ms 860 KB Output is correct
61 Correct 68 ms 14244 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 39 ms 6392 KB Output is correct
66 Correct 76 ms 14284 KB Output is correct
67 Correct 67 ms 14288 KB Output is correct
68 Correct 65 ms 14252 KB Output is correct
69 Correct 65 ms 14360 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 6 ms 1372 KB Output is correct
7 Correct 149 ms 24148 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 7 ms 1624 KB Output is correct
13 Correct 146 ms 24104 KB Output is correct
14 Correct 1 ms 356 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 872 KB Output is correct
17 Correct 73 ms 14360 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 37 ms 6376 KB Output is correct
21 Correct 168 ms 24116 KB Output is correct
22 Correct 149 ms 24232 KB Output is correct
23 Correct 151 ms 24144 KB Output is correct
24 Correct 150 ms 24148 KB Output is correct
25 Correct 61 ms 14164 KB Output is correct
26 Correct 61 ms 14164 KB Output is correct
27 Correct 159 ms 24144 KB Output is correct
28 Correct 148 ms 24228 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 6 ms 1624 KB Output is correct
37 Correct 155 ms 24236 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 7 ms 1624 KB Output is correct
41 Correct 154 ms 24148 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 3 ms 860 KB Output is correct
45 Correct 107 ms 14160 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 49 ms 6420 KB Output is correct
50 Correct 150 ms 24148 KB Output is correct
51 Correct 156 ms 24060 KB Output is correct
52 Correct 156 ms 24220 KB Output is correct
53 Correct 64 ms 14168 KB Output is correct
54 Correct 65 ms 14232 KB Output is correct
55 Correct 150 ms 24148 KB Output is correct
56 Correct 156 ms 24248 KB Output is correct
57 Correct 65 ms 14164 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 39 ms 6276 KB Output is correct
62 Correct 152 ms 24204 KB Output is correct
63 Correct 146 ms 24120 KB Output is correct
64 Correct 151 ms 24144 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 38 ms 6248 KB Output is correct
67 Correct 156 ms 24088 KB Output is correct
68 Correct 174 ms 24124 KB Output is correct
69 Correct 153 ms 24080 KB Output is correct
70 Correct 1 ms 344 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 43 ms 6244 KB Output is correct
74 Correct 163 ms 24088 KB Output is correct
75 Correct 157 ms 24148 KB Output is correct
76 Correct 158 ms 24052 KB Output is correct
77 Correct 157 ms 24212 KB Output is correct
78 Correct 1 ms 600 KB Output is correct
79 Correct 1 ms 348 KB Output is correct
80 Correct 3 ms 860 KB Output is correct
81 Correct 68 ms 14244 KB Output is correct
82 Correct 1 ms 344 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 39 ms 6392 KB Output is correct
86 Correct 76 ms 14284 KB Output is correct
87 Correct 67 ms 14288 KB Output is correct
88 Correct 65 ms 14252 KB Output is correct
89 Correct 65 ms 14360 KB Output is correct
90 Correct 1 ms 348 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 4 ms 964 KB Output is correct
93 Correct 69 ms 14232 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 16 ms 3748 KB Output is correct
98 Correct 66 ms 14360 KB Output is correct
99 Correct 65 ms 14228 KB Output is correct
100 Correct 76 ms 14500 KB Output is correct
101 Correct 72 ms 14148 KB Output is correct
102 Correct 69 ms 14164 KB Output is correct
103 Correct 70 ms 14248 KB Output is correct
104 Correct 85 ms 14232 KB Output is correct
105 Correct 67 ms 14228 KB Output is correct