#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
const int nx=1e3+5;
bool vs[nx];
vector<int> c[nx], l[nx];
int construct(std::vector<std::vector<int>> p) {
int n = p.size(), cnt=0;
for (int i=0; i<n; i++) for (int j=0; j<n; j++) if (p[i][j]==3) return 0;
vector<vector<int>> answer(n, vector<int> (n, 0));
vector<int> h;
for (int i=0; i<n; i++)
{
if (vs[i]) continue;
vector<int> d;
for (int j=0; j<n; j++) if (p[i][j]==1) vs[j]=1, d.push_back(j);
for (auto u:d) for (auto v:d) if (p[u][v]!=1) return 0;
h.push_back(i);
c[i]=d;
int sz=d.size();
for (int j=0; j<sz-1; j++) answer[d[j]][d[j+1]]=answer[d[j+1]][d[j]]=1;
}
for (int i=0; i<n; i++) vs[i]=0;
for (auto i:h)
{
if (vs[i]) continue;
vector<int> d;
for (auto j:h) if (p[i][j]) d.push_back(j), vs[j]=1;
for (auto u:d)
{
for (auto x:c[u]) l[cnt].push_back(x);
for (auto v:d)
{
if (v==u) continue;
for (auto x:c[u]) for (auto y:c[v]) if (p[x][y]!=2) return 0;
}
}
cnt++;
if (d.size()==2) return 0;
if (d.size()==1) continue;
int sz=d.size();
for (int j=0; j<sz-1; j++) answer[d[j]][d[j+1]]=answer[d[j+1]][d[j]]=1;
answer[d[0]][d[sz-1]]=answer[d[sz-1]][d[0]]=1;
}
//cout<<cnt<<'\n';
for (int i=0; i<cnt; i++)
{
for (int j=i+1; j<cnt; j++)
{
for (auto x:l[i]) for (auto y:l[j]) if (p[x][y]!=0) return 0;
}
}
build(answer);
return 1;
}
# |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
1372 KB |
Output is correct |
7 |
Correct |
161 ms |
22140 KB |
Output is correct |
# |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
1372 KB |
Output is correct |
7 |
Correct |
161 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 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 |
1372 KB |
Output is correct |
13 |
Correct |
158 ms |
22088 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
856 KB |
Output is correct |
17 |
Correct |
66 ms |
12088 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
52 ms |
5832 KB |
Output is correct |
21 |
Correct |
155 ms |
22096 KB |
Output is correct |
22 |
Correct |
153 ms |
22096 KB |
Output is correct |
23 |
Correct |
159 ms |
22076 KB |
Output is correct |
24 |
Correct |
162 ms |
22088 KB |
Output is correct |
25 |
Correct |
64 ms |
12104 KB |
Output is correct |
26 |
Correct |
69 ms |
14124 KB |
Output is correct |
27 |
Correct |
156 ms |
24136 KB |
Output is correct |
28 |
Correct |
159 ms |
24256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
8 |
Correct |
7 ms |
1368 KB |
Output is correct |
9 |
Correct |
157 ms |
22184 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
7 ms |
1372 KB |
Output is correct |
13 |
Correct |
157 ms |
22068 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
4 ms |
860 KB |
Output is correct |
17 |
Correct |
72 ms |
12108 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
39 ms |
5980 KB |
Output is correct |
22 |
Correct |
170 ms |
22244 KB |
Output is correct |
23 |
Correct |
154 ms |
22076 KB |
Output is correct |
24 |
Correct |
159 ms |
22088 KB |
Output is correct |
25 |
Correct |
66 ms |
12368 KB |
Output is correct |
26 |
Correct |
70 ms |
12344 KB |
Output is correct |
27 |
Correct |
155 ms |
22100 KB |
Output is correct |
28 |
Correct |
160 ms |
22140 KB |
Output is correct |
29 |
Correct |
65 ms |
12356 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
38 ms |
5948 KB |
Output is correct |
5 |
Correct |
154 ms |
22084 KB |
Output is correct |
6 |
Correct |
161 ms |
22100 KB |
Output is correct |
7 |
Correct |
156 ms |
22092 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
39 ms |
5940 KB |
Output is correct |
10 |
Correct |
156 ms |
22208 KB |
Output is correct |
11 |
Correct |
153 ms |
22084 KB |
Output is correct |
12 |
Correct |
161 ms |
22088 KB |
Output is correct |
13 |
Correct |
0 ms |
600 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
42 ms |
5756 KB |
Output is correct |
17 |
Correct |
157 ms |
22144 KB |
Output is correct |
18 |
Correct |
156 ms |
22100 KB |
Output is correct |
19 |
Correct |
154 ms |
22096 KB |
Output is correct |
20 |
Correct |
158 ms |
22272 KB |
Output is correct |
# |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
1372 KB |
Output is correct |
7 |
Correct |
161 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 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 |
1372 KB |
Output is correct |
13 |
Correct |
158 ms |
22088 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
856 KB |
Output is correct |
17 |
Correct |
66 ms |
12088 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
52 ms |
5832 KB |
Output is correct |
21 |
Correct |
155 ms |
22096 KB |
Output is correct |
22 |
Correct |
153 ms |
22096 KB |
Output is correct |
23 |
Correct |
159 ms |
22076 KB |
Output is correct |
24 |
Correct |
162 ms |
22088 KB |
Output is correct |
25 |
Correct |
64 ms |
12104 KB |
Output is correct |
26 |
Correct |
69 ms |
14124 KB |
Output is correct |
27 |
Correct |
156 ms |
24136 KB |
Output is correct |
28 |
Correct |
159 ms |
24256 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
36 |
Correct |
7 ms |
1368 KB |
Output is correct |
37 |
Correct |
157 ms |
22184 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
7 ms |
1372 KB |
Output is correct |
41 |
Correct |
157 ms |
22068 KB |
Output is correct |
42 |
Correct |
0 ms |
344 KB |
Output is correct |
43 |
Correct |
1 ms |
348 KB |
Output is correct |
44 |
Correct |
4 ms |
860 KB |
Output is correct |
45 |
Correct |
72 ms |
12108 KB |
Output is correct |
46 |
Correct |
0 ms |
348 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
0 ms |
348 KB |
Output is correct |
49 |
Correct |
39 ms |
5980 KB |
Output is correct |
50 |
Correct |
170 ms |
22244 KB |
Output is correct |
51 |
Correct |
154 ms |
22076 KB |
Output is correct |
52 |
Correct |
159 ms |
22088 KB |
Output is correct |
53 |
Correct |
66 ms |
12368 KB |
Output is correct |
54 |
Correct |
70 ms |
12344 KB |
Output is correct |
55 |
Correct |
155 ms |
22100 KB |
Output is correct |
56 |
Correct |
160 ms |
22140 KB |
Output is correct |
57 |
Correct |
65 ms |
12356 KB |
Output is correct |
58 |
Correct |
0 ms |
344 KB |
Output is correct |
59 |
Correct |
1 ms |
348 KB |
Output is correct |
60 |
Correct |
3 ms |
860 KB |
Output is correct |
61 |
Correct |
72 ms |
14248 KB |
Output is correct |
62 |
Correct |
0 ms |
348 KB |
Output is correct |
63 |
Correct |
1 ms |
348 KB |
Output is correct |
64 |
Correct |
0 ms |
344 KB |
Output is correct |
65 |
Correct |
39 ms |
6228 KB |
Output is correct |
66 |
Correct |
67 ms |
14252 KB |
Output is correct |
67 |
Correct |
67 ms |
14164 KB |
Output is correct |
68 |
Correct |
67 ms |
14136 KB |
Output is correct |
69 |
Correct |
65 ms |
14140 KB |
Output is correct |
# |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
1372 KB |
Output is correct |
7 |
Correct |
161 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 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 |
1372 KB |
Output is correct |
13 |
Correct |
158 ms |
22088 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
856 KB |
Output is correct |
17 |
Correct |
66 ms |
12088 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
52 ms |
5832 KB |
Output is correct |
21 |
Correct |
155 ms |
22096 KB |
Output is correct |
22 |
Correct |
153 ms |
22096 KB |
Output is correct |
23 |
Correct |
159 ms |
22076 KB |
Output is correct |
24 |
Correct |
162 ms |
22088 KB |
Output is correct |
25 |
Correct |
64 ms |
12104 KB |
Output is correct |
26 |
Correct |
69 ms |
14124 KB |
Output is correct |
27 |
Correct |
156 ms |
24136 KB |
Output is correct |
28 |
Correct |
159 ms |
24256 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
36 |
Correct |
7 ms |
1368 KB |
Output is correct |
37 |
Correct |
157 ms |
22184 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
7 ms |
1372 KB |
Output is correct |
41 |
Correct |
157 ms |
22068 KB |
Output is correct |
42 |
Correct |
0 ms |
344 KB |
Output is correct |
43 |
Correct |
1 ms |
348 KB |
Output is correct |
44 |
Correct |
4 ms |
860 KB |
Output is correct |
45 |
Correct |
72 ms |
12108 KB |
Output is correct |
46 |
Correct |
0 ms |
348 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
0 ms |
348 KB |
Output is correct |
49 |
Correct |
39 ms |
5980 KB |
Output is correct |
50 |
Correct |
170 ms |
22244 KB |
Output is correct |
51 |
Correct |
154 ms |
22076 KB |
Output is correct |
52 |
Correct |
159 ms |
22088 KB |
Output is correct |
53 |
Correct |
66 ms |
12368 KB |
Output is correct |
54 |
Correct |
70 ms |
12344 KB |
Output is correct |
55 |
Correct |
155 ms |
22100 KB |
Output is correct |
56 |
Correct |
160 ms |
22140 KB |
Output is correct |
57 |
Correct |
65 ms |
12356 KB |
Output is correct |
58 |
Correct |
1 ms |
344 KB |
Output is correct |
59 |
Correct |
0 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
348 KB |
Output is correct |
61 |
Correct |
38 ms |
5948 KB |
Output is correct |
62 |
Correct |
154 ms |
22084 KB |
Output is correct |
63 |
Correct |
161 ms |
22100 KB |
Output is correct |
64 |
Correct |
156 ms |
22092 KB |
Output is correct |
65 |
Correct |
0 ms |
344 KB |
Output is correct |
66 |
Correct |
39 ms |
5940 KB |
Output is correct |
67 |
Correct |
156 ms |
22208 KB |
Output is correct |
68 |
Correct |
153 ms |
22084 KB |
Output is correct |
69 |
Correct |
161 ms |
22088 KB |
Output is correct |
70 |
Correct |
0 ms |
600 KB |
Output is correct |
71 |
Correct |
0 ms |
348 KB |
Output is correct |
72 |
Correct |
0 ms |
348 KB |
Output is correct |
73 |
Correct |
42 ms |
5756 KB |
Output is correct |
74 |
Correct |
157 ms |
22144 KB |
Output is correct |
75 |
Correct |
156 ms |
22100 KB |
Output is correct |
76 |
Correct |
154 ms |
22096 KB |
Output is correct |
77 |
Correct |
158 ms |
22272 KB |
Output is correct |
78 |
Correct |
0 ms |
344 KB |
Output is correct |
79 |
Correct |
1 ms |
348 KB |
Output is correct |
80 |
Correct |
3 ms |
860 KB |
Output is correct |
81 |
Correct |
72 ms |
14248 KB |
Output is correct |
82 |
Correct |
0 ms |
348 KB |
Output is correct |
83 |
Correct |
1 ms |
348 KB |
Output is correct |
84 |
Correct |
0 ms |
344 KB |
Output is correct |
85 |
Correct |
39 ms |
6228 KB |
Output is correct |
86 |
Correct |
67 ms |
14252 KB |
Output is correct |
87 |
Correct |
67 ms |
14164 KB |
Output is correct |
88 |
Correct |
67 ms |
14136 KB |
Output is correct |
89 |
Correct |
65 ms |
14140 KB |
Output is correct |
90 |
Correct |
1 ms |
344 KB |
Output is correct |
91 |
Correct |
0 ms |
456 KB |
Output is correct |
92 |
Correct |
3 ms |
860 KB |
Output is correct |
93 |
Correct |
67 ms |
10148 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 |
18 ms |
2728 KB |
Output is correct |
98 |
Correct |
64 ms |
10284 KB |
Output is correct |
99 |
Correct |
66 ms |
10204 KB |
Output is correct |
100 |
Correct |
65 ms |
10316 KB |
Output is correct |
101 |
Correct |
64 ms |
10296 KB |
Output is correct |
102 |
Correct |
63 ms |
10324 KB |
Output is correct |
103 |
Correct |
61 ms |
10164 KB |
Output is correct |
104 |
Correct |
69 ms |
10168 KB |
Output is correct |
105 |
Correct |
69 ms |
10328 KB |
Output is correct |