#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;
#define ll long long
#define ull unsigned long long
#define ar array
#define pii pair<int, int>
#define sz(s) (int) s.size()
#define all(s) s.begin(), s.end()
int construct(vector<vector<int>> p) {
int n = sz(p);
vector<vector<int>> comp1(n), comp2(n);
vector<vector<int>> b(n, vector<int>(n, 0));
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (p[i][j] == 3) return 0;
}
}
vector<int> par1(n), par2(n);
for (int i = 0; i < n; i++) {
par1[i] = par2[i] = i;
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (p[i][j] == 1) {
par1[i] = j;
comp1[j].push_back(i);
break;
}
}
}
for (int i = 0; i < n; i++) {
if (par1[i] != i) continue;
for (int j = 0; j < n; j++) {
if (par1[j] != j) continue;
if (p[i][j] == 2 || i == j) {
par2[i] = j;
comp2[j].push_back(i);
break;
}
}
}
for (int i = 0; i < n; i++) {
vector<int> comp = comp1[i];
for (int j = 1; j < sz(comp); j++) {
if (p[comp[j]] != p[comp[0]]) return 0;
b[comp[j]][comp[0]] = 1;
b[comp[0]][comp[j]] = 1;
}
comp = comp2[i];
if (sz(comp) == 2) return 0;
if (sz(comp) < 2) continue;
for (int j = 0; j < sz(comp); j++) {
for (int k = 0; k < j; k++) {
if (p[comp[j]][comp[k]] != 2) return 0;
}
}
for (int j = 1; j < sz(comp); j++) {
b[comp[j]][comp[j - 1]] = 1;
b[comp[j - 1]][comp[j]] = 1;
}
b[comp[0]][comp[sz(comp) - 1]] = 1;
b[comp[sz(comp) - 1]][comp[0]] = 1;
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (p[i][j] == 1 && par1[i] != par1[j]) return 0;
if (p[i][j] == 2 && par2[par1[i]] != par2[par1[j]]) return 0;
}
}
build(b);
return 1;
}
# |
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 |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
10 ms |
1152 KB |
Output is correct |
7 |
Correct |
240 ms |
22264 KB |
Output is correct |
# |
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 |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
10 ms |
1152 KB |
Output is correct |
7 |
Correct |
240 ms |
22264 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 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 |
1280 KB |
Output is correct |
13 |
Correct |
239 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
768 KB |
Output is correct |
17 |
Correct |
106 ms |
12248 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
59 ms |
5880 KB |
Output is correct |
21 |
Correct |
237 ms |
22264 KB |
Output is correct |
22 |
Correct |
263 ms |
22136 KB |
Output is correct |
23 |
Correct |
247 ms |
22136 KB |
Output is correct |
24 |
Correct |
233 ms |
22392 KB |
Output is correct |
25 |
Correct |
100 ms |
12152 KB |
Output is correct |
26 |
Correct |
94 ms |
12284 KB |
Output is correct |
27 |
Correct |
246 ms |
22232 KB |
Output is correct |
28 |
Correct |
232 ms |
22136 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
10 ms |
1280 KB |
Output is correct |
9 |
Correct |
241 ms |
22264 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
10 ms |
1280 KB |
Output is correct |
13 |
Correct |
246 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 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 |
105 ms |
12280 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
60 ms |
5880 KB |
Output is correct |
22 |
Correct |
239 ms |
22264 KB |
Output is correct |
23 |
Correct |
236 ms |
22136 KB |
Output is correct |
24 |
Correct |
245 ms |
22136 KB |
Output is correct |
25 |
Correct |
94 ms |
12280 KB |
Output is correct |
26 |
Correct |
96 ms |
12280 KB |
Output is correct |
27 |
Correct |
236 ms |
22136 KB |
Output is correct |
28 |
Correct |
247 ms |
22232 KB |
Output is correct |
29 |
Correct |
94 ms |
12380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
59 ms |
5880 KB |
Output is correct |
5 |
Correct |
236 ms |
22136 KB |
Output is correct |
6 |
Correct |
232 ms |
22264 KB |
Output is correct |
7 |
Correct |
245 ms |
22136 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
60 ms |
5880 KB |
Output is correct |
10 |
Correct |
234 ms |
22280 KB |
Output is correct |
11 |
Correct |
231 ms |
22264 KB |
Output is correct |
12 |
Correct |
246 ms |
22136 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
59 ms |
5880 KB |
Output is correct |
17 |
Correct |
241 ms |
22264 KB |
Output is correct |
18 |
Correct |
247 ms |
22104 KB |
Output is correct |
19 |
Correct |
232 ms |
22236 KB |
Output is correct |
20 |
Correct |
241 ms |
22264 KB |
Output is correct |
# |
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 |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
10 ms |
1152 KB |
Output is correct |
7 |
Correct |
240 ms |
22264 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 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 |
1280 KB |
Output is correct |
13 |
Correct |
239 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
768 KB |
Output is correct |
17 |
Correct |
106 ms |
12248 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
59 ms |
5880 KB |
Output is correct |
21 |
Correct |
237 ms |
22264 KB |
Output is correct |
22 |
Correct |
263 ms |
22136 KB |
Output is correct |
23 |
Correct |
247 ms |
22136 KB |
Output is correct |
24 |
Correct |
233 ms |
22392 KB |
Output is correct |
25 |
Correct |
100 ms |
12152 KB |
Output is correct |
26 |
Correct |
94 ms |
12284 KB |
Output is correct |
27 |
Correct |
246 ms |
22232 KB |
Output is correct |
28 |
Correct |
232 ms |
22136 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
1 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 |
1 ms |
256 KB |
Output is correct |
35 |
Correct |
1 ms |
256 KB |
Output is correct |
36 |
Correct |
10 ms |
1280 KB |
Output is correct |
37 |
Correct |
241 ms |
22264 KB |
Output is correct |
38 |
Correct |
0 ms |
256 KB |
Output is correct |
39 |
Correct |
0 ms |
256 KB |
Output is correct |
40 |
Correct |
10 ms |
1280 KB |
Output is correct |
41 |
Correct |
246 ms |
22264 KB |
Output is correct |
42 |
Correct |
0 ms |
256 KB |
Output is correct |
43 |
Correct |
1 ms |
256 KB |
Output is correct |
44 |
Correct |
5 ms |
768 KB |
Output is correct |
45 |
Correct |
105 ms |
12280 KB |
Output is correct |
46 |
Correct |
1 ms |
256 KB |
Output is correct |
47 |
Correct |
1 ms |
256 KB |
Output is correct |
48 |
Correct |
1 ms |
256 KB |
Output is correct |
49 |
Correct |
60 ms |
5880 KB |
Output is correct |
50 |
Correct |
239 ms |
22264 KB |
Output is correct |
51 |
Correct |
236 ms |
22136 KB |
Output is correct |
52 |
Correct |
245 ms |
22136 KB |
Output is correct |
53 |
Correct |
94 ms |
12280 KB |
Output is correct |
54 |
Correct |
96 ms |
12280 KB |
Output is correct |
55 |
Correct |
236 ms |
22136 KB |
Output is correct |
56 |
Correct |
247 ms |
22232 KB |
Output is correct |
57 |
Correct |
94 ms |
12380 KB |
Output is correct |
58 |
Correct |
0 ms |
256 KB |
Output is correct |
59 |
Correct |
1 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
800 KB |
Output is correct |
61 |
Correct |
110 ms |
12280 KB |
Output is correct |
62 |
Correct |
0 ms |
256 KB |
Output is correct |
63 |
Correct |
0 ms |
256 KB |
Output is correct |
64 |
Correct |
0 ms |
256 KB |
Output is correct |
65 |
Correct |
59 ms |
5884 KB |
Output is correct |
66 |
Correct |
95 ms |
12280 KB |
Output is correct |
67 |
Correct |
98 ms |
12280 KB |
Output is correct |
68 |
Correct |
96 ms |
12280 KB |
Output is correct |
69 |
Correct |
114 ms |
12280 KB |
Output is correct |
# |
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 |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
10 ms |
1152 KB |
Output is correct |
7 |
Correct |
240 ms |
22264 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 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 |
1280 KB |
Output is correct |
13 |
Correct |
239 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
5 ms |
768 KB |
Output is correct |
17 |
Correct |
106 ms |
12248 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
59 ms |
5880 KB |
Output is correct |
21 |
Correct |
237 ms |
22264 KB |
Output is correct |
22 |
Correct |
263 ms |
22136 KB |
Output is correct |
23 |
Correct |
247 ms |
22136 KB |
Output is correct |
24 |
Correct |
233 ms |
22392 KB |
Output is correct |
25 |
Correct |
100 ms |
12152 KB |
Output is correct |
26 |
Correct |
94 ms |
12284 KB |
Output is correct |
27 |
Correct |
246 ms |
22232 KB |
Output is correct |
28 |
Correct |
232 ms |
22136 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
1 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 |
1 ms |
256 KB |
Output is correct |
35 |
Correct |
1 ms |
256 KB |
Output is correct |
36 |
Correct |
10 ms |
1280 KB |
Output is correct |
37 |
Correct |
241 ms |
22264 KB |
Output is correct |
38 |
Correct |
0 ms |
256 KB |
Output is correct |
39 |
Correct |
0 ms |
256 KB |
Output is correct |
40 |
Correct |
10 ms |
1280 KB |
Output is correct |
41 |
Correct |
246 ms |
22264 KB |
Output is correct |
42 |
Correct |
0 ms |
256 KB |
Output is correct |
43 |
Correct |
1 ms |
256 KB |
Output is correct |
44 |
Correct |
5 ms |
768 KB |
Output is correct |
45 |
Correct |
105 ms |
12280 KB |
Output is correct |
46 |
Correct |
1 ms |
256 KB |
Output is correct |
47 |
Correct |
1 ms |
256 KB |
Output is correct |
48 |
Correct |
1 ms |
256 KB |
Output is correct |
49 |
Correct |
60 ms |
5880 KB |
Output is correct |
50 |
Correct |
239 ms |
22264 KB |
Output is correct |
51 |
Correct |
236 ms |
22136 KB |
Output is correct |
52 |
Correct |
245 ms |
22136 KB |
Output is correct |
53 |
Correct |
94 ms |
12280 KB |
Output is correct |
54 |
Correct |
96 ms |
12280 KB |
Output is correct |
55 |
Correct |
236 ms |
22136 KB |
Output is correct |
56 |
Correct |
247 ms |
22232 KB |
Output is correct |
57 |
Correct |
94 ms |
12380 KB |
Output is correct |
58 |
Correct |
0 ms |
256 KB |
Output is correct |
59 |
Correct |
1 ms |
256 KB |
Output is correct |
60 |
Correct |
0 ms |
256 KB |
Output is correct |
61 |
Correct |
59 ms |
5880 KB |
Output is correct |
62 |
Correct |
236 ms |
22136 KB |
Output is correct |
63 |
Correct |
232 ms |
22264 KB |
Output is correct |
64 |
Correct |
245 ms |
22136 KB |
Output is correct |
65 |
Correct |
0 ms |
256 KB |
Output is correct |
66 |
Correct |
60 ms |
5880 KB |
Output is correct |
67 |
Correct |
234 ms |
22280 KB |
Output is correct |
68 |
Correct |
231 ms |
22264 KB |
Output is correct |
69 |
Correct |
246 ms |
22136 KB |
Output is correct |
70 |
Correct |
1 ms |
256 KB |
Output is correct |
71 |
Correct |
0 ms |
256 KB |
Output is correct |
72 |
Correct |
1 ms |
256 KB |
Output is correct |
73 |
Correct |
59 ms |
5880 KB |
Output is correct |
74 |
Correct |
241 ms |
22264 KB |
Output is correct |
75 |
Correct |
247 ms |
22104 KB |
Output is correct |
76 |
Correct |
232 ms |
22236 KB |
Output is correct |
77 |
Correct |
241 ms |
22264 KB |
Output is correct |
78 |
Correct |
0 ms |
256 KB |
Output is correct |
79 |
Correct |
1 ms |
384 KB |
Output is correct |
80 |
Correct |
5 ms |
800 KB |
Output is correct |
81 |
Correct |
110 ms |
12280 KB |
Output is correct |
82 |
Correct |
0 ms |
256 KB |
Output is correct |
83 |
Correct |
0 ms |
256 KB |
Output is correct |
84 |
Correct |
0 ms |
256 KB |
Output is correct |
85 |
Correct |
59 ms |
5884 KB |
Output is correct |
86 |
Correct |
95 ms |
12280 KB |
Output is correct |
87 |
Correct |
98 ms |
12280 KB |
Output is correct |
88 |
Correct |
96 ms |
12280 KB |
Output is correct |
89 |
Correct |
114 ms |
12280 KB |
Output is correct |
90 |
Correct |
0 ms |
256 KB |
Output is correct |
91 |
Correct |
0 ms |
256 KB |
Output is correct |
92 |
Correct |
5 ms |
768 KB |
Output is correct |
93 |
Correct |
108 ms |
12152 KB |
Output is correct |
94 |
Correct |
1 ms |
256 KB |
Output is correct |
95 |
Correct |
0 ms |
256 KB |
Output is correct |
96 |
Correct |
0 ms |
256 KB |
Output is correct |
97 |
Correct |
24 ms |
3320 KB |
Output is correct |
98 |
Correct |
94 ms |
12152 KB |
Output is correct |
99 |
Correct |
96 ms |
12152 KB |
Output is correct |
100 |
Correct |
94 ms |
12152 KB |
Output is correct |
101 |
Correct |
93 ms |
12280 KB |
Output is correct |
102 |
Correct |
103 ms |
12280 KB |
Output is correct |
103 |
Correct |
103 ms |
12156 KB |
Output is correct |
104 |
Correct |
106 ms |
12152 KB |
Output is correct |
105 |
Correct |
104 ms |
12152 KB |
Output is correct |