#include "supertrees.h"
#include <bits/stdc++.h>
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
const int N = 1010;
vector<int> vc, vct, cur;
int pre[N], prv[N];
int mrk[N], used[N];
int get(int x){
return (pre[x] == x ? x : pre[x] = get(pre[x]));
}
int getp(int x){
return (prv[x] == x ? x : prv[x] = getp(prv[x]));
}
int construct(vector<vector<int>> p) {
int n = p.size();
for (int i = 0; i < n; i++) {
pre[i] = prv[i] = i;
}
vector<vector<int> > ans;
ans.resize(n);
for (int i = 0; i < n; i++)
ans[i].resize(n);
for (int i = 0; i < n; i++)
for (int j = i + 1; j < n; j++) {
if (p[i][j] == 3) return 0;
if (p[i][j] > 0){
int xx = get(i);
int yy = get(j);
pre[xx] = yy;
}
}
for (int i = 0; i < n; i++){
if (mrk[get(i)]) continue;
mrk[get(i)] = 1;
vc.clear();
for (int j = i; j < n; j++)
if (get(j) == get(i))
vc.PB(j);
for (int it = 0; it < sz(vc); it++)
for (int jt = it + 1; jt < sz(vc); jt++) {
if (p[vc[it]][vc[jt]] == 0)
return 0;
if (p[vc[it]][vc[jt]] == 1){
int xx = getp(vc[it]);
int yy = getp(vc[jt]);
prv[xx] = yy;
}
}
vct.clear();
for (int it = 0; it < sz(vc); it++){
int v = vc[it];
if (used[getp(v)]) continue;
cur.clear();
for (int jt = it; jt < sz(vc); jt++)
if (getp(vc[jt]) == getp(v))
cur.PB(vc[jt]);
vct.PB(v);
used[getp(v)] = 1;
for (int it = 0; it < sz(cur); it++)
for (int jt = it + 1; jt < sz(cur); jt++)
if (p[cur[it]][cur[jt]] == 2)
return 0;
for (int it = 0; it < sz(cur); it++){
if (it > 0) ans[cur[it]][cur[it - 1]] = 1;
if (it + 1 < sz(cur)) ans[cur[it]][cur[it + 1]] = 1;
}
}
if (sz(vct) == 2) return 0;
//link 2
if (sz(vct) == 1) continue;
for (int it = 0; it < sz(vct); it++){
int nxt = (it + 1) % sz(vct);
int prd = (it + sz(vct) - 1) % sz(vct);
ans[vct[it]][vct[prd]] = 1;
ans[vct[it]][vct[nxt]] = 1;
}
}
build(ans);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
416 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
21 ms |
1280 KB |
Output is correct |
7 |
Correct |
240 ms |
22136 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
416 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
21 ms |
1280 KB |
Output is correct |
7 |
Correct |
240 ms |
22136 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
10 ms |
1280 KB |
Output is correct |
13 |
Correct |
248 ms |
22112 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
768 KB |
Output is correct |
17 |
Correct |
112 ms |
12152 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
58 ms |
5752 KB |
Output is correct |
21 |
Correct |
256 ms |
22136 KB |
Output is correct |
22 |
Correct |
245 ms |
22104 KB |
Output is correct |
23 |
Correct |
246 ms |
22112 KB |
Output is correct |
24 |
Correct |
234 ms |
22136 KB |
Output is correct |
25 |
Correct |
105 ms |
12152 KB |
Output is correct |
26 |
Correct |
97 ms |
12152 KB |
Output is correct |
27 |
Correct |
249 ms |
22136 KB |
Output is correct |
28 |
Correct |
237 ms |
22136 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
416 KB |
Output is correct |
3 |
Correct |
1 ms |
288 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
10 ms |
1280 KB |
Output is correct |
9 |
Correct |
233 ms |
22112 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
10 ms |
1408 KB |
Output is correct |
13 |
Correct |
246 ms |
22136 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
768 KB |
Output is correct |
17 |
Correct |
107 ms |
12152 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
59 ms |
5880 KB |
Output is correct |
22 |
Correct |
232 ms |
22264 KB |
Output is correct |
23 |
Correct |
231 ms |
22136 KB |
Output is correct |
24 |
Correct |
253 ms |
22136 KB |
Output is correct |
25 |
Correct |
100 ms |
12256 KB |
Output is correct |
26 |
Correct |
99 ms |
12152 KB |
Output is correct |
27 |
Correct |
238 ms |
22240 KB |
Output is correct |
28 |
Correct |
244 ms |
22136 KB |
Output is correct |
29 |
Correct |
99 ms |
12184 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
59 ms |
5880 KB |
Output is correct |
5 |
Correct |
235 ms |
22136 KB |
Output is correct |
6 |
Correct |
230 ms |
22136 KB |
Output is correct |
7 |
Correct |
241 ms |
22136 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
60 ms |
5756 KB |
Output is correct |
10 |
Correct |
246 ms |
22136 KB |
Output is correct |
11 |
Correct |
237 ms |
22136 KB |
Output is correct |
12 |
Correct |
244 ms |
22136 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
58 ms |
5880 KB |
Output is correct |
17 |
Correct |
243 ms |
22064 KB |
Output is correct |
18 |
Correct |
242 ms |
22136 KB |
Output is correct |
19 |
Correct |
233 ms |
22140 KB |
Output is correct |
20 |
Correct |
240 ms |
22136 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
416 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
21 ms |
1280 KB |
Output is correct |
7 |
Correct |
240 ms |
22136 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
10 ms |
1280 KB |
Output is correct |
13 |
Correct |
248 ms |
22112 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
768 KB |
Output is correct |
17 |
Correct |
112 ms |
12152 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
58 ms |
5752 KB |
Output is correct |
21 |
Correct |
256 ms |
22136 KB |
Output is correct |
22 |
Correct |
245 ms |
22104 KB |
Output is correct |
23 |
Correct |
246 ms |
22112 KB |
Output is correct |
24 |
Correct |
234 ms |
22136 KB |
Output is correct |
25 |
Correct |
105 ms |
12152 KB |
Output is correct |
26 |
Correct |
97 ms |
12152 KB |
Output is correct |
27 |
Correct |
249 ms |
22136 KB |
Output is correct |
28 |
Correct |
237 ms |
22136 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
416 KB |
Output is correct |
31 |
Correct |
1 ms |
288 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
256 KB |
Output is correct |
36 |
Correct |
10 ms |
1280 KB |
Output is correct |
37 |
Correct |
233 ms |
22112 KB |
Output is correct |
38 |
Correct |
1 ms |
384 KB |
Output is correct |
39 |
Correct |
1 ms |
512 KB |
Output is correct |
40 |
Correct |
10 ms |
1408 KB |
Output is correct |
41 |
Correct |
246 ms |
22136 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
1 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
768 KB |
Output is correct |
45 |
Correct |
107 ms |
12152 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
59 ms |
5880 KB |
Output is correct |
50 |
Correct |
232 ms |
22264 KB |
Output is correct |
51 |
Correct |
231 ms |
22136 KB |
Output is correct |
52 |
Correct |
253 ms |
22136 KB |
Output is correct |
53 |
Correct |
100 ms |
12256 KB |
Output is correct |
54 |
Correct |
99 ms |
12152 KB |
Output is correct |
55 |
Correct |
238 ms |
22240 KB |
Output is correct |
56 |
Correct |
244 ms |
22136 KB |
Output is correct |
57 |
Correct |
99 ms |
12184 KB |
Output is correct |
58 |
Correct |
1 ms |
384 KB |
Output is correct |
59 |
Correct |
1 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
800 KB |
Output is correct |
61 |
Correct |
118 ms |
12152 KB |
Output is correct |
62 |
Correct |
1 ms |
384 KB |
Output is correct |
63 |
Correct |
1 ms |
256 KB |
Output is correct |
64 |
Correct |
1 ms |
384 KB |
Output is correct |
65 |
Correct |
62 ms |
5880 KB |
Output is correct |
66 |
Correct |
103 ms |
12152 KB |
Output is correct |
67 |
Correct |
106 ms |
12120 KB |
Output is correct |
68 |
Correct |
103 ms |
12152 KB |
Output is correct |
69 |
Correct |
97 ms |
12152 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
416 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
21 ms |
1280 KB |
Output is correct |
7 |
Correct |
240 ms |
22136 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
10 ms |
1280 KB |
Output is correct |
13 |
Correct |
248 ms |
22112 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
6 ms |
768 KB |
Output is correct |
17 |
Correct |
112 ms |
12152 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
58 ms |
5752 KB |
Output is correct |
21 |
Correct |
256 ms |
22136 KB |
Output is correct |
22 |
Correct |
245 ms |
22104 KB |
Output is correct |
23 |
Correct |
246 ms |
22112 KB |
Output is correct |
24 |
Correct |
234 ms |
22136 KB |
Output is correct |
25 |
Correct |
105 ms |
12152 KB |
Output is correct |
26 |
Correct |
97 ms |
12152 KB |
Output is correct |
27 |
Correct |
249 ms |
22136 KB |
Output is correct |
28 |
Correct |
237 ms |
22136 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
416 KB |
Output is correct |
31 |
Correct |
1 ms |
288 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
256 KB |
Output is correct |
36 |
Correct |
10 ms |
1280 KB |
Output is correct |
37 |
Correct |
233 ms |
22112 KB |
Output is correct |
38 |
Correct |
1 ms |
384 KB |
Output is correct |
39 |
Correct |
1 ms |
512 KB |
Output is correct |
40 |
Correct |
10 ms |
1408 KB |
Output is correct |
41 |
Correct |
246 ms |
22136 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
1 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
768 KB |
Output is correct |
45 |
Correct |
107 ms |
12152 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
59 ms |
5880 KB |
Output is correct |
50 |
Correct |
232 ms |
22264 KB |
Output is correct |
51 |
Correct |
231 ms |
22136 KB |
Output is correct |
52 |
Correct |
253 ms |
22136 KB |
Output is correct |
53 |
Correct |
100 ms |
12256 KB |
Output is correct |
54 |
Correct |
99 ms |
12152 KB |
Output is correct |
55 |
Correct |
238 ms |
22240 KB |
Output is correct |
56 |
Correct |
244 ms |
22136 KB |
Output is correct |
57 |
Correct |
99 ms |
12184 KB |
Output is correct |
58 |
Correct |
1 ms |
384 KB |
Output is correct |
59 |
Correct |
1 ms |
384 KB |
Output is correct |
60 |
Correct |
1 ms |
384 KB |
Output is correct |
61 |
Correct |
59 ms |
5880 KB |
Output is correct |
62 |
Correct |
235 ms |
22136 KB |
Output is correct |
63 |
Correct |
230 ms |
22136 KB |
Output is correct |
64 |
Correct |
241 ms |
22136 KB |
Output is correct |
65 |
Correct |
1 ms |
384 KB |
Output is correct |
66 |
Correct |
60 ms |
5756 KB |
Output is correct |
67 |
Correct |
246 ms |
22136 KB |
Output is correct |
68 |
Correct |
237 ms |
22136 KB |
Output is correct |
69 |
Correct |
244 ms |
22136 KB |
Output is correct |
70 |
Correct |
1 ms |
384 KB |
Output is correct |
71 |
Correct |
1 ms |
384 KB |
Output is correct |
72 |
Correct |
1 ms |
384 KB |
Output is correct |
73 |
Correct |
58 ms |
5880 KB |
Output is correct |
74 |
Correct |
243 ms |
22064 KB |
Output is correct |
75 |
Correct |
242 ms |
22136 KB |
Output is correct |
76 |
Correct |
233 ms |
22140 KB |
Output is correct |
77 |
Correct |
240 ms |
22136 KB |
Output is correct |
78 |
Correct |
1 ms |
384 KB |
Output is correct |
79 |
Correct |
1 ms |
384 KB |
Output is correct |
80 |
Correct |
5 ms |
800 KB |
Output is correct |
81 |
Correct |
118 ms |
12152 KB |
Output is correct |
82 |
Correct |
1 ms |
384 KB |
Output is correct |
83 |
Correct |
1 ms |
256 KB |
Output is correct |
84 |
Correct |
1 ms |
384 KB |
Output is correct |
85 |
Correct |
62 ms |
5880 KB |
Output is correct |
86 |
Correct |
103 ms |
12152 KB |
Output is correct |
87 |
Correct |
106 ms |
12120 KB |
Output is correct |
88 |
Correct |
103 ms |
12152 KB |
Output is correct |
89 |
Correct |
97 ms |
12152 KB |
Output is correct |
90 |
Correct |
1 ms |
256 KB |
Output is correct |
91 |
Correct |
1 ms |
256 KB |
Output is correct |
92 |
Correct |
6 ms |
896 KB |
Output is correct |
93 |
Correct |
100 ms |
12152 KB |
Output is correct |
94 |
Correct |
1 ms |
256 KB |
Output is correct |
95 |
Correct |
1 ms |
256 KB |
Output is correct |
96 |
Correct |
1 ms |
256 KB |
Output is correct |
97 |
Correct |
26 ms |
3320 KB |
Output is correct |
98 |
Correct |
101 ms |
12152 KB |
Output is correct |
99 |
Correct |
96 ms |
12152 KB |
Output is correct |
100 |
Correct |
102 ms |
12152 KB |
Output is correct |
101 |
Correct |
98 ms |
12280 KB |
Output is correct |
102 |
Correct |
98 ms |
12152 KB |
Output is correct |
103 |
Correct |
101 ms |
12152 KB |
Output is correct |
104 |
Correct |
97 ms |
12248 KB |
Output is correct |
105 |
Correct |
106 ms |
12152 KB |
Output is correct |