#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
int construct(std::vector<std::vector<int>> p) {
int n = (int)p.size();
std::vector<std::vector<int>> b(n,vector<int>(n,0));
vector<int> vis0(n,0),vis1(n,0),v0,v1;
function<void(int)> dfs0 = [&](int u){
vis0[u]=1;v0.push_back(u);
for(int i=0;i<n;i++){
if(p[u][i]==0 || vis0[i]) continue;
dfs0(i);
}
};
function<void(int)> dfs1 = [&](int u){
vis1[u]=1;v1.push_back(u);
for(int i=0;i<n;i++){
if(p[u][i]!=1 || vis1[i]) continue;
dfs1(i);
}
};
for(int i=0;i<n;i++){
if(!vis0[i]){
v0.clear();dfs0(i);
for(int x:v0){
for(int y:v0) if(p[x][y]!=1 && p[x][y]!=2) return 0;
}
vector<int> pre,cycle;
for(int u:v0){
if(!vis1[u]){
v1.clear();dfs1(u);
for(int x:v1){
for(int y:v1) if(p[x][y]!=1) return 0;
}
for(int j=1;j<(int)v1.size();j++){
int x=v1[j-1],y=v1[j];
b[x][y]=b[y][x]=1;
}
for(int x:v1){
for(int y:pre) if(p[x][y]!=2) return 0;
}
for(int x:v1) pre.push_back(x);
cycle.push_back(v1[0]);
}
}
int sz=(int)cycle.size();
if(sz==2) return 0;
else if(sz>2){
for(int j=0;j<sz;j++) b[cycle[j]][cycle[(j+1)%sz]]=b[cycle[(j+1)%sz]][cycle[j]]=1;
}
}
}
build(b);
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
7 ms |
1280 KB |
Output is correct |
7 |
Correct |
166 ms |
24056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
7 ms |
1280 KB |
Output is correct |
7 |
Correct |
166 ms |
24056 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
296 KB |
Output is correct |
12 |
Correct |
8 ms |
1236 KB |
Output is correct |
13 |
Correct |
180 ms |
24016 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
852 KB |
Output is correct |
17 |
Correct |
80 ms |
14076 KB |
Output is correct |
18 |
Correct |
0 ms |
296 KB |
Output is correct |
19 |
Correct |
0 ms |
296 KB |
Output is correct |
20 |
Correct |
42 ms |
6220 KB |
Output is correct |
21 |
Correct |
166 ms |
23928 KB |
Output is correct |
22 |
Correct |
167 ms |
24012 KB |
Output is correct |
23 |
Correct |
173 ms |
23928 KB |
Output is correct |
24 |
Correct |
166 ms |
23944 KB |
Output is correct |
25 |
Correct |
71 ms |
14068 KB |
Output is correct |
26 |
Correct |
69 ms |
14204 KB |
Output is correct |
27 |
Correct |
172 ms |
23924 KB |
Output is correct |
28 |
Correct |
167 ms |
23924 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
300 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
304 KB |
Output is correct |
6 |
Correct |
1 ms |
300 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
8 ms |
1232 KB |
Output is correct |
9 |
Correct |
169 ms |
24012 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
8 ms |
1176 KB |
Output is correct |
13 |
Correct |
171 ms |
23956 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
828 KB |
Output is correct |
17 |
Correct |
81 ms |
14084 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
42 ms |
6220 KB |
Output is correct |
22 |
Correct |
168 ms |
24140 KB |
Output is correct |
23 |
Correct |
166 ms |
23924 KB |
Output is correct |
24 |
Correct |
177 ms |
24012 KB |
Output is correct |
25 |
Correct |
66 ms |
14100 KB |
Output is correct |
26 |
Correct |
66 ms |
14068 KB |
Output is correct |
27 |
Correct |
177 ms |
23940 KB |
Output is correct |
28 |
Correct |
179 ms |
23928 KB |
Output is correct |
29 |
Correct |
89 ms |
14076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
46 ms |
6168 KB |
Output is correct |
5 |
Correct |
184 ms |
23908 KB |
Output is correct |
6 |
Correct |
174 ms |
23944 KB |
Output is correct |
7 |
Correct |
180 ms |
23988 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
45 ms |
6264 KB |
Output is correct |
10 |
Correct |
168 ms |
23908 KB |
Output is correct |
11 |
Correct |
168 ms |
24028 KB |
Output is correct |
12 |
Correct |
174 ms |
23968 KB |
Output is correct |
13 |
Correct |
1 ms |
296 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
45 ms |
6200 KB |
Output is correct |
17 |
Correct |
170 ms |
23908 KB |
Output is correct |
18 |
Correct |
166 ms |
23928 KB |
Output is correct |
19 |
Correct |
165 ms |
23932 KB |
Output is correct |
20 |
Correct |
178 ms |
23960 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
7 ms |
1280 KB |
Output is correct |
7 |
Correct |
166 ms |
24056 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
296 KB |
Output is correct |
12 |
Correct |
8 ms |
1236 KB |
Output is correct |
13 |
Correct |
180 ms |
24016 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
852 KB |
Output is correct |
17 |
Correct |
80 ms |
14076 KB |
Output is correct |
18 |
Correct |
0 ms |
296 KB |
Output is correct |
19 |
Correct |
0 ms |
296 KB |
Output is correct |
20 |
Correct |
42 ms |
6220 KB |
Output is correct |
21 |
Correct |
166 ms |
23928 KB |
Output is correct |
22 |
Correct |
167 ms |
24012 KB |
Output is correct |
23 |
Correct |
173 ms |
23928 KB |
Output is correct |
24 |
Correct |
166 ms |
23944 KB |
Output is correct |
25 |
Correct |
71 ms |
14068 KB |
Output is correct |
26 |
Correct |
69 ms |
14204 KB |
Output is correct |
27 |
Correct |
172 ms |
23924 KB |
Output is correct |
28 |
Correct |
167 ms |
23924 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
300 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
304 KB |
Output is correct |
34 |
Correct |
1 ms |
300 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
8 ms |
1232 KB |
Output is correct |
37 |
Correct |
169 ms |
24012 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
8 ms |
1176 KB |
Output is correct |
41 |
Correct |
171 ms |
23956 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
4 ms |
828 KB |
Output is correct |
45 |
Correct |
81 ms |
14084 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Correct |
42 ms |
6220 KB |
Output is correct |
50 |
Correct |
168 ms |
24140 KB |
Output is correct |
51 |
Correct |
166 ms |
23924 KB |
Output is correct |
52 |
Correct |
177 ms |
24012 KB |
Output is correct |
53 |
Correct |
66 ms |
14100 KB |
Output is correct |
54 |
Correct |
66 ms |
14068 KB |
Output is correct |
55 |
Correct |
177 ms |
23940 KB |
Output is correct |
56 |
Correct |
179 ms |
23928 KB |
Output is correct |
57 |
Correct |
89 ms |
14076 KB |
Output is correct |
58 |
Correct |
1 ms |
212 KB |
Output is correct |
59 |
Correct |
1 ms |
212 KB |
Output is correct |
60 |
Correct |
4 ms |
796 KB |
Output is correct |
61 |
Correct |
80 ms |
14148 KB |
Output is correct |
62 |
Correct |
0 ms |
212 KB |
Output is correct |
63 |
Correct |
0 ms |
212 KB |
Output is correct |
64 |
Correct |
0 ms |
212 KB |
Output is correct |
65 |
Correct |
44 ms |
6256 KB |
Output is correct |
66 |
Correct |
71 ms |
14068 KB |
Output is correct |
67 |
Correct |
68 ms |
14028 KB |
Output is correct |
68 |
Correct |
67 ms |
14000 KB |
Output is correct |
69 |
Correct |
63 ms |
14080 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
7 ms |
1280 KB |
Output is correct |
7 |
Correct |
166 ms |
24056 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
296 KB |
Output is correct |
12 |
Correct |
8 ms |
1236 KB |
Output is correct |
13 |
Correct |
180 ms |
24016 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
852 KB |
Output is correct |
17 |
Correct |
80 ms |
14076 KB |
Output is correct |
18 |
Correct |
0 ms |
296 KB |
Output is correct |
19 |
Correct |
0 ms |
296 KB |
Output is correct |
20 |
Correct |
42 ms |
6220 KB |
Output is correct |
21 |
Correct |
166 ms |
23928 KB |
Output is correct |
22 |
Correct |
167 ms |
24012 KB |
Output is correct |
23 |
Correct |
173 ms |
23928 KB |
Output is correct |
24 |
Correct |
166 ms |
23944 KB |
Output is correct |
25 |
Correct |
71 ms |
14068 KB |
Output is correct |
26 |
Correct |
69 ms |
14204 KB |
Output is correct |
27 |
Correct |
172 ms |
23924 KB |
Output is correct |
28 |
Correct |
167 ms |
23924 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
300 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
304 KB |
Output is correct |
34 |
Correct |
1 ms |
300 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
8 ms |
1232 KB |
Output is correct |
37 |
Correct |
169 ms |
24012 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
8 ms |
1176 KB |
Output is correct |
41 |
Correct |
171 ms |
23956 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
4 ms |
828 KB |
Output is correct |
45 |
Correct |
81 ms |
14084 KB |
Output is correct |
46 |
Correct |
0 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Correct |
42 ms |
6220 KB |
Output is correct |
50 |
Correct |
168 ms |
24140 KB |
Output is correct |
51 |
Correct |
166 ms |
23924 KB |
Output is correct |
52 |
Correct |
177 ms |
24012 KB |
Output is correct |
53 |
Correct |
66 ms |
14100 KB |
Output is correct |
54 |
Correct |
66 ms |
14068 KB |
Output is correct |
55 |
Correct |
177 ms |
23940 KB |
Output is correct |
56 |
Correct |
179 ms |
23928 KB |
Output is correct |
57 |
Correct |
89 ms |
14076 KB |
Output is correct |
58 |
Correct |
0 ms |
212 KB |
Output is correct |
59 |
Correct |
1 ms |
212 KB |
Output is correct |
60 |
Correct |
1 ms |
212 KB |
Output is correct |
61 |
Correct |
46 ms |
6168 KB |
Output is correct |
62 |
Correct |
184 ms |
23908 KB |
Output is correct |
63 |
Correct |
174 ms |
23944 KB |
Output is correct |
64 |
Correct |
180 ms |
23988 KB |
Output is correct |
65 |
Correct |
1 ms |
212 KB |
Output is correct |
66 |
Correct |
45 ms |
6264 KB |
Output is correct |
67 |
Correct |
168 ms |
23908 KB |
Output is correct |
68 |
Correct |
168 ms |
24028 KB |
Output is correct |
69 |
Correct |
174 ms |
23968 KB |
Output is correct |
70 |
Correct |
1 ms |
296 KB |
Output is correct |
71 |
Correct |
0 ms |
212 KB |
Output is correct |
72 |
Correct |
1 ms |
212 KB |
Output is correct |
73 |
Correct |
45 ms |
6200 KB |
Output is correct |
74 |
Correct |
170 ms |
23908 KB |
Output is correct |
75 |
Correct |
166 ms |
23928 KB |
Output is correct |
76 |
Correct |
165 ms |
23932 KB |
Output is correct |
77 |
Correct |
178 ms |
23960 KB |
Output is correct |
78 |
Correct |
1 ms |
212 KB |
Output is correct |
79 |
Correct |
1 ms |
212 KB |
Output is correct |
80 |
Correct |
4 ms |
796 KB |
Output is correct |
81 |
Correct |
80 ms |
14148 KB |
Output is correct |
82 |
Correct |
0 ms |
212 KB |
Output is correct |
83 |
Correct |
0 ms |
212 KB |
Output is correct |
84 |
Correct |
0 ms |
212 KB |
Output is correct |
85 |
Correct |
44 ms |
6256 KB |
Output is correct |
86 |
Correct |
71 ms |
14068 KB |
Output is correct |
87 |
Correct |
68 ms |
14028 KB |
Output is correct |
88 |
Correct |
67 ms |
14000 KB |
Output is correct |
89 |
Correct |
63 ms |
14080 KB |
Output is correct |
90 |
Correct |
1 ms |
212 KB |
Output is correct |
91 |
Correct |
0 ms |
296 KB |
Output is correct |
92 |
Correct |
3 ms |
792 KB |
Output is correct |
93 |
Correct |
75 ms |
14076 KB |
Output is correct |
94 |
Correct |
0 ms |
212 KB |
Output is correct |
95 |
Correct |
0 ms |
300 KB |
Output is correct |
96 |
Correct |
0 ms |
212 KB |
Output is correct |
97 |
Correct |
18 ms |
3712 KB |
Output is correct |
98 |
Correct |
67 ms |
14100 KB |
Output is correct |
99 |
Correct |
71 ms |
14072 KB |
Output is correct |
100 |
Correct |
68 ms |
14068 KB |
Output is correct |
101 |
Correct |
65 ms |
14072 KB |
Output is correct |
102 |
Correct |
68 ms |
14084 KB |
Output is correct |
103 |
Correct |
75 ms |
14156 KB |
Output is correct |
104 |
Correct |
71 ms |
14076 KB |
Output is correct |
105 |
Correct |
83 ms |
14144 KB |
Output is correct |