#include "supertrees.h"
#include <vector>
struct dsu{
int fa[1005];
void init(int n){
for(int i=0;i<n;++i)fa[i]=i;
}
int find(int x){return x==fa[x]?x:fa[x]=find(fa[x]);}
void merge(int x,int y){fa[find(x)]=find(y);}
int rt(int x){return fa[x]==x;}
}a,b;
int query(int x,int y){
if(a.find(x)==a.find(y))return 1;
if(b.find(a.find(x))==b.find(a.find(y)))return 2;
return 0;
}
std::vector<int> al[1005],bl[1005];
int construct(std::vector<std::vector<int>> p) {
int n = p.size();
a.init(n);b.init(n);
std::vector<std::vector<int>> ans(n,std::vector<int>(n));
for(int i=0;i<n;++i)for(int j=0;j<n;++j)if(p[i][j]==3)return 0;
for(int i=0;i<n;++i)for(int j=i+1;j<n;++j)if(p[i][j]==1){a.merge(i,j);}
for(int i=0;i<n;++i)for(int j=i+1;j<n;++j)if(p[i][j]==2){b.merge(a.find(i),a.find(j));}
for(int i=0;i<n;++i)for(int j=1;j<n;++j){
if(p[i][j]!=query(i,j))return 0;
}
for(int i=0;i<n;++i){
al[a.find(i)].emplace_back(i);
if(a.rt(i)){
bl[b.find(i)].emplace_back(i);
}
}
for(int i=0;i<n;++i)if(a.rt(i)){
int m=al[i].size();
for(int j=0;j+1<m;++j){
int x=al[i][j],y=al[i][j+1];
ans[x][y]=ans[y][x]=1;
}
}
for(int i=0;i<n;++i){
if(a.rt(i) && b.rt(i)){
if(bl[i].size()==1)continue;
if(bl[i].size()==2)return 0;
int m=bl[i].size();
for(int j=0;j<m;++j){
int x=bl[i][j],y=j==m-1?bl[i][0]:bl[i][j+1];
ans[x][y]=ans[y][x]=1;
}
}
}
build(ans);
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
256 ms |
22140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
256 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
236 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 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 |
126 ms |
12152 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
62 ms |
5880 KB |
Output is correct |
21 |
Correct |
260 ms |
22136 KB |
Output is correct |
22 |
Correct |
239 ms |
22244 KB |
Output is correct |
23 |
Correct |
264 ms |
22136 KB |
Output is correct |
24 |
Correct |
248 ms |
22136 KB |
Output is correct |
25 |
Correct |
98 ms |
12152 KB |
Output is correct |
26 |
Correct |
95 ms |
12152 KB |
Output is correct |
27 |
Correct |
261 ms |
22136 KB |
Output is correct |
28 |
Correct |
240 ms |
22140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
10 ms |
1280 KB |
Output is correct |
9 |
Correct |
240 ms |
22264 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
253 ms |
22136 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
768 KB |
Output is correct |
17 |
Correct |
115 ms |
12152 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
60 ms |
5880 KB |
Output is correct |
22 |
Correct |
266 ms |
22136 KB |
Output is correct |
23 |
Correct |
286 ms |
22268 KB |
Output is correct |
24 |
Correct |
264 ms |
22136 KB |
Output is correct |
25 |
Correct |
106 ms |
12284 KB |
Output is correct |
26 |
Correct |
106 ms |
12156 KB |
Output is correct |
27 |
Correct |
255 ms |
22136 KB |
Output is correct |
28 |
Correct |
319 ms |
22392 KB |
Output is correct |
29 |
Correct |
104 ms |
12280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
71 ms |
5812 KB |
Output is correct |
5 |
Correct |
290 ms |
22136 KB |
Output is correct |
6 |
Correct |
249 ms |
22136 KB |
Output is correct |
7 |
Correct |
264 ms |
22264 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
61 ms |
5872 KB |
Output is correct |
10 |
Correct |
249 ms |
22136 KB |
Output is correct |
11 |
Correct |
245 ms |
22212 KB |
Output is correct |
12 |
Correct |
255 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 |
0 ms |
384 KB |
Output is correct |
16 |
Correct |
62 ms |
5880 KB |
Output is correct |
17 |
Correct |
255 ms |
22136 KB |
Output is correct |
18 |
Correct |
257 ms |
22136 KB |
Output is correct |
19 |
Correct |
252 ms |
22136 KB |
Output is correct |
20 |
Correct |
241 ms |
22272 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
256 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
236 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 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 |
126 ms |
12152 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
62 ms |
5880 KB |
Output is correct |
21 |
Correct |
260 ms |
22136 KB |
Output is correct |
22 |
Correct |
239 ms |
22244 KB |
Output is correct |
23 |
Correct |
264 ms |
22136 KB |
Output is correct |
24 |
Correct |
248 ms |
22136 KB |
Output is correct |
25 |
Correct |
98 ms |
12152 KB |
Output is correct |
26 |
Correct |
95 ms |
12152 KB |
Output is correct |
27 |
Correct |
261 ms |
22136 KB |
Output is correct |
28 |
Correct |
240 ms |
22140 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
10 ms |
1280 KB |
Output is correct |
37 |
Correct |
240 ms |
22264 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
384 KB |
Output is correct |
40 |
Correct |
11 ms |
1280 KB |
Output is correct |
41 |
Correct |
253 ms |
22136 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
768 KB |
Output is correct |
45 |
Correct |
115 ms |
12152 KB |
Output is correct |
46 |
Correct |
0 ms |
384 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
0 ms |
384 KB |
Output is correct |
49 |
Correct |
60 ms |
5880 KB |
Output is correct |
50 |
Correct |
266 ms |
22136 KB |
Output is correct |
51 |
Correct |
286 ms |
22268 KB |
Output is correct |
52 |
Correct |
264 ms |
22136 KB |
Output is correct |
53 |
Correct |
106 ms |
12284 KB |
Output is correct |
54 |
Correct |
106 ms |
12156 KB |
Output is correct |
55 |
Correct |
255 ms |
22136 KB |
Output is correct |
56 |
Correct |
319 ms |
22392 KB |
Output is correct |
57 |
Correct |
104 ms |
12280 KB |
Output is correct |
58 |
Correct |
0 ms |
384 KB |
Output is correct |
59 |
Correct |
1 ms |
512 KB |
Output is correct |
60 |
Correct |
5 ms |
896 KB |
Output is correct |
61 |
Correct |
114 ms |
12152 KB |
Output is correct |
62 |
Correct |
0 ms |
384 KB |
Output is correct |
63 |
Correct |
0 ms |
384 KB |
Output is correct |
64 |
Correct |
1 ms |
384 KB |
Output is correct |
65 |
Correct |
63 ms |
5880 KB |
Output is correct |
66 |
Correct |
104 ms |
12152 KB |
Output is correct |
67 |
Correct |
102 ms |
12152 KB |
Output is correct |
68 |
Correct |
96 ms |
12152 KB |
Output is correct |
69 |
Correct |
104 ms |
12280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
256 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
236 ms |
22264 KB |
Output is correct |
14 |
Correct |
0 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 |
126 ms |
12152 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
62 ms |
5880 KB |
Output is correct |
21 |
Correct |
260 ms |
22136 KB |
Output is correct |
22 |
Correct |
239 ms |
22244 KB |
Output is correct |
23 |
Correct |
264 ms |
22136 KB |
Output is correct |
24 |
Correct |
248 ms |
22136 KB |
Output is correct |
25 |
Correct |
98 ms |
12152 KB |
Output is correct |
26 |
Correct |
95 ms |
12152 KB |
Output is correct |
27 |
Correct |
261 ms |
22136 KB |
Output is correct |
28 |
Correct |
240 ms |
22140 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
10 ms |
1280 KB |
Output is correct |
37 |
Correct |
240 ms |
22264 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
384 KB |
Output is correct |
40 |
Correct |
11 ms |
1280 KB |
Output is correct |
41 |
Correct |
253 ms |
22136 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
768 KB |
Output is correct |
45 |
Correct |
115 ms |
12152 KB |
Output is correct |
46 |
Correct |
0 ms |
384 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
0 ms |
384 KB |
Output is correct |
49 |
Correct |
60 ms |
5880 KB |
Output is correct |
50 |
Correct |
266 ms |
22136 KB |
Output is correct |
51 |
Correct |
286 ms |
22268 KB |
Output is correct |
52 |
Correct |
264 ms |
22136 KB |
Output is correct |
53 |
Correct |
106 ms |
12284 KB |
Output is correct |
54 |
Correct |
106 ms |
12156 KB |
Output is correct |
55 |
Correct |
255 ms |
22136 KB |
Output is correct |
56 |
Correct |
319 ms |
22392 KB |
Output is correct |
57 |
Correct |
104 ms |
12280 KB |
Output is correct |
58 |
Correct |
0 ms |
384 KB |
Output is correct |
59 |
Correct |
0 ms |
384 KB |
Output is correct |
60 |
Correct |
0 ms |
384 KB |
Output is correct |
61 |
Correct |
71 ms |
5812 KB |
Output is correct |
62 |
Correct |
290 ms |
22136 KB |
Output is correct |
63 |
Correct |
249 ms |
22136 KB |
Output is correct |
64 |
Correct |
264 ms |
22264 KB |
Output is correct |
65 |
Correct |
0 ms |
384 KB |
Output is correct |
66 |
Correct |
61 ms |
5872 KB |
Output is correct |
67 |
Correct |
249 ms |
22136 KB |
Output is correct |
68 |
Correct |
245 ms |
22212 KB |
Output is correct |
69 |
Correct |
255 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 |
0 ms |
384 KB |
Output is correct |
73 |
Correct |
62 ms |
5880 KB |
Output is correct |
74 |
Correct |
255 ms |
22136 KB |
Output is correct |
75 |
Correct |
257 ms |
22136 KB |
Output is correct |
76 |
Correct |
252 ms |
22136 KB |
Output is correct |
77 |
Correct |
241 ms |
22272 KB |
Output is correct |
78 |
Correct |
0 ms |
384 KB |
Output is correct |
79 |
Correct |
1 ms |
512 KB |
Output is correct |
80 |
Correct |
5 ms |
896 KB |
Output is correct |
81 |
Correct |
114 ms |
12152 KB |
Output is correct |
82 |
Correct |
0 ms |
384 KB |
Output is correct |
83 |
Correct |
0 ms |
384 KB |
Output is correct |
84 |
Correct |
1 ms |
384 KB |
Output is correct |
85 |
Correct |
63 ms |
5880 KB |
Output is correct |
86 |
Correct |
104 ms |
12152 KB |
Output is correct |
87 |
Correct |
102 ms |
12152 KB |
Output is correct |
88 |
Correct |
96 ms |
12152 KB |
Output is correct |
89 |
Correct |
104 ms |
12280 KB |
Output is correct |
90 |
Correct |
0 ms |
384 KB |
Output is correct |
91 |
Correct |
0 ms |
384 KB |
Output is correct |
92 |
Correct |
5 ms |
896 KB |
Output is correct |
93 |
Correct |
102 ms |
12152 KB |
Output is correct |
94 |
Correct |
0 ms |
384 KB |
Output is correct |
95 |
Correct |
1 ms |
384 KB |
Output is correct |
96 |
Correct |
0 ms |
384 KB |
Output is correct |
97 |
Correct |
23 ms |
3328 KB |
Output is correct |
98 |
Correct |
94 ms |
12152 KB |
Output is correct |
99 |
Correct |
99 ms |
12156 KB |
Output is correct |
100 |
Correct |
93 ms |
12280 KB |
Output is correct |
101 |
Correct |
92 ms |
12152 KB |
Output is correct |
102 |
Correct |
106 ms |
12156 KB |
Output is correct |
103 |
Correct |
101 ms |
12156 KB |
Output is correct |
104 |
Correct |
102 ms |
12152 KB |
Output is correct |
105 |
Correct |
104 ms |
12140 KB |
Output is correct |