#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
int construct(vector<vector<int>> p) {
int n = p.size(), cur = 0, bad = 0;
vector<vector<int>> ans(n, vector<int>(n));
vector<int> seen(n), solved(n), cycle;
function<void(int)> dfs = [&](int node) {
if (bad)
return;
seen[node] = cur;
int c1 = 0, c2 = 0;
for (int i = 0; i < n; ++i)
if (i != node) {
if (p[node][i] == 1)
++c1;
else if (p[node][i] == 2)
++c2;
else if (p[node][i] == 3)
bad = 1;
if (!seen[i] && p[node][i])
dfs(i);
if (!p[node][i] && seen[i] == cur)
bad = 1;
}
if (!c1 && c2)
cycle.emplace_back(node);
if (!solved[cur] && c1) {
solved[cur] = 1;
int cur = node;
for (int i = 0; i < n; ++i)
if (i != node && p[node][i] == 1)
ans[cur][i] = ans[i][cur] = 1, cur = i;
}
};
for (int i = 0; i < n; ++i)
if (!seen[i]) {
cycle.clear();
++cur;
dfs(i);
if (bad)
return 0;
if (!cycle.empty()) {
if (cycle.size() == 2)
return 0;
int cur = i;
for (auto x : cycle)
if (x != i) {
ans[cur][x] = ans[x][cur] = 1;
cur = x;
}
ans[cur][i] = ans[i][cur] = 1;
}
}
build(ans);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
7 ms |
1204 KB |
Output is correct |
7 |
Correct |
164 ms |
22088 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
7 ms |
1204 KB |
Output is correct |
7 |
Correct |
164 ms |
22088 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
7 ms |
1176 KB |
Output is correct |
13 |
Correct |
173 ms |
21988 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
3 ms |
716 KB |
Output is correct |
17 |
Correct |
74 ms |
12032 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
45 ms |
5764 KB |
Output is correct |
21 |
Correct |
166 ms |
22028 KB |
Output is correct |
22 |
Correct |
167 ms |
22012 KB |
Output is correct |
23 |
Correct |
173 ms |
22084 KB |
Output is correct |
24 |
Correct |
169 ms |
22028 KB |
Output is correct |
25 |
Correct |
71 ms |
12100 KB |
Output is correct |
26 |
Correct |
67 ms |
12040 KB |
Output is correct |
27 |
Correct |
194 ms |
22028 KB |
Output is correct |
28 |
Correct |
166 ms |
22024 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
292 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
272 KB |
Output is correct |
8 |
Correct |
7 ms |
1228 KB |
Output is correct |
9 |
Correct |
162 ms |
23588 KB |
Output is correct |
10 |
Correct |
1 ms |
272 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
7 ms |
1168 KB |
Output is correct |
13 |
Correct |
174 ms |
24048 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
4 ms |
844 KB |
Output is correct |
17 |
Correct |
73 ms |
12824 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
292 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
42 ms |
6200 KB |
Output is correct |
22 |
Correct |
166 ms |
24004 KB |
Output is correct |
23 |
Correct |
166 ms |
23968 KB |
Output is correct |
24 |
Correct |
172 ms |
24104 KB |
Output is correct |
25 |
Correct |
71 ms |
14072 KB |
Output is correct |
26 |
Correct |
70 ms |
14068 KB |
Output is correct |
27 |
Correct |
164 ms |
23992 KB |
Output is correct |
28 |
Correct |
173 ms |
23956 KB |
Output is correct |
29 |
Correct |
69 ms |
14068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
41 ms |
5712 KB |
Output is correct |
5 |
Correct |
164 ms |
22024 KB |
Output is correct |
6 |
Correct |
167 ms |
22020 KB |
Output is correct |
7 |
Correct |
173 ms |
22028 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
42 ms |
5716 KB |
Output is correct |
10 |
Correct |
172 ms |
22012 KB |
Output is correct |
11 |
Correct |
166 ms |
22024 KB |
Output is correct |
12 |
Correct |
183 ms |
22016 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Incorrect |
0 ms |
204 KB |
Answer gives possible 0 while actual possible 1 |
16 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
7 ms |
1204 KB |
Output is correct |
7 |
Correct |
164 ms |
22088 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
7 ms |
1176 KB |
Output is correct |
13 |
Correct |
173 ms |
21988 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
3 ms |
716 KB |
Output is correct |
17 |
Correct |
74 ms |
12032 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
45 ms |
5764 KB |
Output is correct |
21 |
Correct |
166 ms |
22028 KB |
Output is correct |
22 |
Correct |
167 ms |
22012 KB |
Output is correct |
23 |
Correct |
173 ms |
22084 KB |
Output is correct |
24 |
Correct |
169 ms |
22028 KB |
Output is correct |
25 |
Correct |
71 ms |
12100 KB |
Output is correct |
26 |
Correct |
67 ms |
12040 KB |
Output is correct |
27 |
Correct |
194 ms |
22028 KB |
Output is correct |
28 |
Correct |
166 ms |
22024 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
292 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
272 KB |
Output is correct |
36 |
Correct |
7 ms |
1228 KB |
Output is correct |
37 |
Correct |
162 ms |
23588 KB |
Output is correct |
38 |
Correct |
1 ms |
272 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
7 ms |
1168 KB |
Output is correct |
41 |
Correct |
174 ms |
24048 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
0 ms |
204 KB |
Output is correct |
44 |
Correct |
4 ms |
844 KB |
Output is correct |
45 |
Correct |
73 ms |
12824 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
292 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
42 ms |
6200 KB |
Output is correct |
50 |
Correct |
166 ms |
24004 KB |
Output is correct |
51 |
Correct |
166 ms |
23968 KB |
Output is correct |
52 |
Correct |
172 ms |
24104 KB |
Output is correct |
53 |
Correct |
71 ms |
14072 KB |
Output is correct |
54 |
Correct |
70 ms |
14068 KB |
Output is correct |
55 |
Correct |
164 ms |
23992 KB |
Output is correct |
56 |
Correct |
173 ms |
23956 KB |
Output is correct |
57 |
Correct |
69 ms |
14068 KB |
Output is correct |
58 |
Correct |
0 ms |
204 KB |
Output is correct |
59 |
Correct |
0 ms |
204 KB |
Output is correct |
60 |
Correct |
4 ms |
804 KB |
Output is correct |
61 |
Correct |
73 ms |
14060 KB |
Output is correct |
62 |
Correct |
0 ms |
204 KB |
Output is correct |
63 |
Correct |
0 ms |
204 KB |
Output is correct |
64 |
Correct |
0 ms |
204 KB |
Output is correct |
65 |
Incorrect |
18 ms |
3708 KB |
Answer gives possible 0 while actual possible 1 |
66 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
7 ms |
1204 KB |
Output is correct |
7 |
Correct |
164 ms |
22088 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
7 ms |
1176 KB |
Output is correct |
13 |
Correct |
173 ms |
21988 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
3 ms |
716 KB |
Output is correct |
17 |
Correct |
74 ms |
12032 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
45 ms |
5764 KB |
Output is correct |
21 |
Correct |
166 ms |
22028 KB |
Output is correct |
22 |
Correct |
167 ms |
22012 KB |
Output is correct |
23 |
Correct |
173 ms |
22084 KB |
Output is correct |
24 |
Correct |
169 ms |
22028 KB |
Output is correct |
25 |
Correct |
71 ms |
12100 KB |
Output is correct |
26 |
Correct |
67 ms |
12040 KB |
Output is correct |
27 |
Correct |
194 ms |
22028 KB |
Output is correct |
28 |
Correct |
166 ms |
22024 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
292 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
272 KB |
Output is correct |
36 |
Correct |
7 ms |
1228 KB |
Output is correct |
37 |
Correct |
162 ms |
23588 KB |
Output is correct |
38 |
Correct |
1 ms |
272 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
7 ms |
1168 KB |
Output is correct |
41 |
Correct |
174 ms |
24048 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
0 ms |
204 KB |
Output is correct |
44 |
Correct |
4 ms |
844 KB |
Output is correct |
45 |
Correct |
73 ms |
12824 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
292 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
42 ms |
6200 KB |
Output is correct |
50 |
Correct |
166 ms |
24004 KB |
Output is correct |
51 |
Correct |
166 ms |
23968 KB |
Output is correct |
52 |
Correct |
172 ms |
24104 KB |
Output is correct |
53 |
Correct |
71 ms |
14072 KB |
Output is correct |
54 |
Correct |
70 ms |
14068 KB |
Output is correct |
55 |
Correct |
164 ms |
23992 KB |
Output is correct |
56 |
Correct |
173 ms |
23956 KB |
Output is correct |
57 |
Correct |
69 ms |
14068 KB |
Output is correct |
58 |
Correct |
0 ms |
204 KB |
Output is correct |
59 |
Correct |
0 ms |
204 KB |
Output is correct |
60 |
Correct |
0 ms |
204 KB |
Output is correct |
61 |
Correct |
41 ms |
5712 KB |
Output is correct |
62 |
Correct |
164 ms |
22024 KB |
Output is correct |
63 |
Correct |
167 ms |
22020 KB |
Output is correct |
64 |
Correct |
173 ms |
22028 KB |
Output is correct |
65 |
Correct |
0 ms |
204 KB |
Output is correct |
66 |
Correct |
42 ms |
5716 KB |
Output is correct |
67 |
Correct |
172 ms |
22012 KB |
Output is correct |
68 |
Correct |
166 ms |
22024 KB |
Output is correct |
69 |
Correct |
183 ms |
22016 KB |
Output is correct |
70 |
Correct |
0 ms |
204 KB |
Output is correct |
71 |
Correct |
0 ms |
204 KB |
Output is correct |
72 |
Incorrect |
0 ms |
204 KB |
Answer gives possible 0 while actual possible 1 |
73 |
Halted |
0 ms |
0 KB |
- |