#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
const int X = 1005;
int p[X], ls[X];
int fd(int u){return p[u] = ((p[u] == u)? u : fd(p[u]));}
vector<vector<int>> an;
void un(int u, int v){
u = fd(u), v = fd(v);
if(u == v) return;
an[u][ls[v]] = an[ls[v]][u] = 1; p[u] = v; ls[v] = ls[u];
}
int construct(vector<vector<int>> ar) {
int N = ar.size();
an.assign(N, vector<int>(N, 0));
iota(p, p + N, 0), iota(ls, ls + N, 0);
for(int i = 0; i < N; ++i) for(int j = i + 1; j < N; ++j){
if(ar[i][j] == 3 or ar[i][j] != ar[j][i]) return 0;
if(ar[i][j] == 1) un(i, j);
}
for(int i = 0; i < N; ++i) for(int j = i + 1; j < N; ++j) if(ar[i][j] != 1 and fd(i) == fd(j)) return 0;
iota(ls, ls + N, 0);
for(int i = 0; i < N; ++i) for(int j = i + 1; j < N; ++j) if(ar[i][j] == 2) un(i, j);
for(int i = 0; i < N; ++i) if(p[i] == i and ls[i] != i){
if(an[ls[i]][i] == 1) return 0;
an[ls[i]][i] = an[i][ls[i]] = 1;
}
for(int i = 0; i < N; ++i) for(int j = i + 1; j < N; ++j) if(ar[i][j] == 0 and fd(i) == fd(j)) return 0;
build(an);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
11 ms |
1260 KB |
Output is correct |
7 |
Correct |
249 ms |
22380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
11 ms |
1260 KB |
Output is correct |
7 |
Correct |
249 ms |
22380 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
2 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
11 ms |
1260 KB |
Output is correct |
13 |
Correct |
290 ms |
22380 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
6 ms |
876 KB |
Output is correct |
17 |
Correct |
115 ms |
12396 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
85 ms |
6124 KB |
Output is correct |
21 |
Correct |
263 ms |
22116 KB |
Output is correct |
22 |
Correct |
263 ms |
22124 KB |
Output is correct |
23 |
Correct |
314 ms |
22124 KB |
Output is correct |
24 |
Correct |
264 ms |
22124 KB |
Output is correct |
25 |
Correct |
110 ms |
12140 KB |
Output is correct |
26 |
Correct |
110 ms |
12140 KB |
Output is correct |
27 |
Correct |
274 ms |
22124 KB |
Output is correct |
28 |
Correct |
253 ms |
22124 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
2 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
11 ms |
1260 KB |
Output is correct |
9 |
Correct |
254 ms |
24172 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
11 ms |
1260 KB |
Output is correct |
13 |
Correct |
296 ms |
24192 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
6 ms |
876 KB |
Output is correct |
17 |
Correct |
125 ms |
14188 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
65 ms |
6252 KB |
Output is correct |
22 |
Correct |
256 ms |
24044 KB |
Output is correct |
23 |
Correct |
248 ms |
24044 KB |
Output is correct |
24 |
Correct |
263 ms |
24188 KB |
Output is correct |
25 |
Correct |
111 ms |
14188 KB |
Output is correct |
26 |
Correct |
110 ms |
14188 KB |
Output is correct |
27 |
Correct |
255 ms |
24044 KB |
Output is correct |
28 |
Correct |
264 ms |
24044 KB |
Output is correct |
29 |
Correct |
129 ms |
14188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
63 ms |
5868 KB |
Output is correct |
5 |
Correct |
249 ms |
22124 KB |
Output is correct |
6 |
Correct |
260 ms |
22124 KB |
Output is correct |
7 |
Correct |
268 ms |
22252 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
63 ms |
5868 KB |
Output is correct |
10 |
Correct |
259 ms |
22124 KB |
Output is correct |
11 |
Correct |
252 ms |
22252 KB |
Output is correct |
12 |
Correct |
261 ms |
22124 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
63 ms |
5868 KB |
Output is correct |
17 |
Correct |
252 ms |
22124 KB |
Output is correct |
18 |
Correct |
251 ms |
22124 KB |
Output is correct |
19 |
Correct |
247 ms |
22124 KB |
Output is correct |
20 |
Correct |
255 ms |
22124 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
11 ms |
1260 KB |
Output is correct |
7 |
Correct |
249 ms |
22380 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
2 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
11 ms |
1260 KB |
Output is correct |
13 |
Correct |
290 ms |
22380 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
6 ms |
876 KB |
Output is correct |
17 |
Correct |
115 ms |
12396 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
85 ms |
6124 KB |
Output is correct |
21 |
Correct |
263 ms |
22116 KB |
Output is correct |
22 |
Correct |
263 ms |
22124 KB |
Output is correct |
23 |
Correct |
314 ms |
22124 KB |
Output is correct |
24 |
Correct |
264 ms |
22124 KB |
Output is correct |
25 |
Correct |
110 ms |
12140 KB |
Output is correct |
26 |
Correct |
110 ms |
12140 KB |
Output is correct |
27 |
Correct |
274 ms |
22124 KB |
Output is correct |
28 |
Correct |
253 ms |
22124 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
2 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
11 ms |
1260 KB |
Output is correct |
37 |
Correct |
254 ms |
24172 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
1 ms |
512 KB |
Output is correct |
40 |
Correct |
11 ms |
1260 KB |
Output is correct |
41 |
Correct |
296 ms |
24192 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
6 ms |
876 KB |
Output is correct |
45 |
Correct |
125 ms |
14188 KB |
Output is correct |
46 |
Correct |
1 ms |
364 KB |
Output is correct |
47 |
Correct |
1 ms |
364 KB |
Output is correct |
48 |
Correct |
1 ms |
364 KB |
Output is correct |
49 |
Correct |
65 ms |
6252 KB |
Output is correct |
50 |
Correct |
256 ms |
24044 KB |
Output is correct |
51 |
Correct |
248 ms |
24044 KB |
Output is correct |
52 |
Correct |
263 ms |
24188 KB |
Output is correct |
53 |
Correct |
111 ms |
14188 KB |
Output is correct |
54 |
Correct |
110 ms |
14188 KB |
Output is correct |
55 |
Correct |
255 ms |
24044 KB |
Output is correct |
56 |
Correct |
264 ms |
24044 KB |
Output is correct |
57 |
Correct |
129 ms |
14188 KB |
Output is correct |
58 |
Correct |
1 ms |
364 KB |
Output is correct |
59 |
Correct |
1 ms |
364 KB |
Output is correct |
60 |
Correct |
6 ms |
876 KB |
Output is correct |
61 |
Correct |
116 ms |
14188 KB |
Output is correct |
62 |
Correct |
1 ms |
364 KB |
Output is correct |
63 |
Correct |
1 ms |
364 KB |
Output is correct |
64 |
Correct |
1 ms |
364 KB |
Output is correct |
65 |
Correct |
65 ms |
6252 KB |
Output is correct |
66 |
Correct |
143 ms |
14188 KB |
Output is correct |
67 |
Correct |
124 ms |
14188 KB |
Output is correct |
68 |
Correct |
111 ms |
14188 KB |
Output is correct |
69 |
Correct |
114 ms |
14188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
11 ms |
1260 KB |
Output is correct |
7 |
Correct |
249 ms |
22380 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
2 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
11 ms |
1260 KB |
Output is correct |
13 |
Correct |
290 ms |
22380 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
6 ms |
876 KB |
Output is correct |
17 |
Correct |
115 ms |
12396 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
85 ms |
6124 KB |
Output is correct |
21 |
Correct |
263 ms |
22116 KB |
Output is correct |
22 |
Correct |
263 ms |
22124 KB |
Output is correct |
23 |
Correct |
314 ms |
22124 KB |
Output is correct |
24 |
Correct |
264 ms |
22124 KB |
Output is correct |
25 |
Correct |
110 ms |
12140 KB |
Output is correct |
26 |
Correct |
110 ms |
12140 KB |
Output is correct |
27 |
Correct |
274 ms |
22124 KB |
Output is correct |
28 |
Correct |
253 ms |
22124 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
2 ms |
364 KB |
Output is correct |
35 |
Correct |
1 ms |
364 KB |
Output is correct |
36 |
Correct |
11 ms |
1260 KB |
Output is correct |
37 |
Correct |
254 ms |
24172 KB |
Output is correct |
38 |
Correct |
1 ms |
364 KB |
Output is correct |
39 |
Correct |
1 ms |
512 KB |
Output is correct |
40 |
Correct |
11 ms |
1260 KB |
Output is correct |
41 |
Correct |
296 ms |
24192 KB |
Output is correct |
42 |
Correct |
1 ms |
364 KB |
Output is correct |
43 |
Correct |
1 ms |
364 KB |
Output is correct |
44 |
Correct |
6 ms |
876 KB |
Output is correct |
45 |
Correct |
125 ms |
14188 KB |
Output is correct |
46 |
Correct |
1 ms |
364 KB |
Output is correct |
47 |
Correct |
1 ms |
364 KB |
Output is correct |
48 |
Correct |
1 ms |
364 KB |
Output is correct |
49 |
Correct |
65 ms |
6252 KB |
Output is correct |
50 |
Correct |
256 ms |
24044 KB |
Output is correct |
51 |
Correct |
248 ms |
24044 KB |
Output is correct |
52 |
Correct |
263 ms |
24188 KB |
Output is correct |
53 |
Correct |
111 ms |
14188 KB |
Output is correct |
54 |
Correct |
110 ms |
14188 KB |
Output is correct |
55 |
Correct |
255 ms |
24044 KB |
Output is correct |
56 |
Correct |
264 ms |
24044 KB |
Output is correct |
57 |
Correct |
129 ms |
14188 KB |
Output is correct |
58 |
Correct |
1 ms |
364 KB |
Output is correct |
59 |
Correct |
1 ms |
364 KB |
Output is correct |
60 |
Correct |
1 ms |
364 KB |
Output is correct |
61 |
Correct |
63 ms |
5868 KB |
Output is correct |
62 |
Correct |
249 ms |
22124 KB |
Output is correct |
63 |
Correct |
260 ms |
22124 KB |
Output is correct |
64 |
Correct |
268 ms |
22252 KB |
Output is correct |
65 |
Correct |
1 ms |
364 KB |
Output is correct |
66 |
Correct |
63 ms |
5868 KB |
Output is correct |
67 |
Correct |
259 ms |
22124 KB |
Output is correct |
68 |
Correct |
252 ms |
22252 KB |
Output is correct |
69 |
Correct |
261 ms |
22124 KB |
Output is correct |
70 |
Correct |
1 ms |
364 KB |
Output is correct |
71 |
Correct |
1 ms |
364 KB |
Output is correct |
72 |
Correct |
1 ms |
364 KB |
Output is correct |
73 |
Correct |
63 ms |
5868 KB |
Output is correct |
74 |
Correct |
252 ms |
22124 KB |
Output is correct |
75 |
Correct |
251 ms |
22124 KB |
Output is correct |
76 |
Correct |
247 ms |
22124 KB |
Output is correct |
77 |
Correct |
255 ms |
22124 KB |
Output is correct |
78 |
Correct |
1 ms |
364 KB |
Output is correct |
79 |
Correct |
1 ms |
364 KB |
Output is correct |
80 |
Correct |
6 ms |
876 KB |
Output is correct |
81 |
Correct |
116 ms |
14188 KB |
Output is correct |
82 |
Correct |
1 ms |
364 KB |
Output is correct |
83 |
Correct |
1 ms |
364 KB |
Output is correct |
84 |
Correct |
1 ms |
364 KB |
Output is correct |
85 |
Correct |
65 ms |
6252 KB |
Output is correct |
86 |
Correct |
143 ms |
14188 KB |
Output is correct |
87 |
Correct |
124 ms |
14188 KB |
Output is correct |
88 |
Correct |
111 ms |
14188 KB |
Output is correct |
89 |
Correct |
114 ms |
14188 KB |
Output is correct |
90 |
Correct |
1 ms |
364 KB |
Output is correct |
91 |
Correct |
1 ms |
364 KB |
Output is correct |
92 |
Correct |
5 ms |
876 KB |
Output is correct |
93 |
Correct |
107 ms |
14188 KB |
Output is correct |
94 |
Correct |
1 ms |
364 KB |
Output is correct |
95 |
Correct |
1 ms |
364 KB |
Output is correct |
96 |
Correct |
1 ms |
364 KB |
Output is correct |
97 |
Correct |
27 ms |
3820 KB |
Output is correct |
98 |
Correct |
105 ms |
14188 KB |
Output is correct |
99 |
Correct |
106 ms |
14188 KB |
Output is correct |
100 |
Correct |
105 ms |
14188 KB |
Output is correct |
101 |
Correct |
106 ms |
14188 KB |
Output is correct |
102 |
Correct |
103 ms |
14188 KB |
Output is correct |
103 |
Correct |
102 ms |
14188 KB |
Output is correct |
104 |
Correct |
102 ms |
14188 KB |
Output is correct |
105 |
Correct |
112 ms |
14188 KB |
Output is correct |