#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
#define R(i,n,...) for(int i=__VA_ARGS__+0; i<(n); ++i)
int construct(vector<vector<int>> A) {
const int N=A.size();
R(i, N) R(j, N) if(A[i][j]==3) return 0;
int M=0, K=0;
vector<int> X(N, -1), Y(N, -1);
vector<vector<int>> G(N), H(N), E(N, vector<int>(N));
function<void(int)> f1=[&](int i) {
G[X[i]=M].push_back(i);
R(j, N) if(A[i][j]==1 && !~X[j]) f1(j);
};
function<void(int)> f2=[&](int k) {
H[Y[k]=K].push_back(k);
for(int i:G[k]) R(j, N) if(A[i][j]==2 && !~Y[X[j]]) f2(X[j]);
};
auto con=[&](int i, int j) {
E[i][j]=E[j][i]=1;
};
R(i, N) if(!~X[i]) f1(i), M++;
R(i, M) if(!~Y[i]) f2(i), K++;
for(auto&v:G) {
const int L=v.size();
if(!L) continue;
for(int i:v) for(int j:v) if(A[i][j]!=1) return 0;
R(i, L, 1) con(v[i], v[i-1]);
}
for(auto&v:H) {
const int L=v.size();
if(L<=1) continue;
if(L==2) return 0;
for(int i:v) for(int j:v) if(i!=j) for(int k:G[i]) for(int l:G[j]) if(A[k][l]!=2) return 0;
R(i, L, 1) con(G[v[i]][0], G[v[i-1]][0]);
con(G[v[0]][0], G[v[L-1]][0]);
}
build(E);
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
255 ms |
22140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
255 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
242 ms |
22136 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 |
122 ms |
12248 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
62 ms |
5880 KB |
Output is correct |
21 |
Correct |
249 ms |
22136 KB |
Output is correct |
22 |
Correct |
243 ms |
22264 KB |
Output is correct |
23 |
Correct |
251 ms |
22136 KB |
Output is correct |
24 |
Correct |
238 ms |
22136 KB |
Output is correct |
25 |
Correct |
110 ms |
12284 KB |
Output is correct |
26 |
Correct |
110 ms |
12280 KB |
Output is correct |
27 |
Correct |
250 ms |
22104 KB |
Output is correct |
28 |
Correct |
249 ms |
22128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
0 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 |
249 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 |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
262 ms |
22236 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
6 ms |
768 KB |
Output is correct |
17 |
Correct |
120 ms |
12280 KB |
Output is correct |
18 |
Correct |
0 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
0 ms |
256 KB |
Output is correct |
21 |
Correct |
63 ms |
5880 KB |
Output is correct |
22 |
Correct |
245 ms |
22264 KB |
Output is correct |
23 |
Correct |
244 ms |
22268 KB |
Output is correct |
24 |
Correct |
256 ms |
22264 KB |
Output is correct |
25 |
Correct |
107 ms |
12280 KB |
Output is correct |
26 |
Correct |
109 ms |
12184 KB |
Output is correct |
27 |
Correct |
252 ms |
22264 KB |
Output is correct |
28 |
Correct |
257 ms |
22136 KB |
Output is correct |
29 |
Correct |
107 ms |
12280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
60 ms |
5880 KB |
Output is correct |
5 |
Correct |
250 ms |
22136 KB |
Output is correct |
6 |
Correct |
240 ms |
22140 KB |
Output is correct |
7 |
Correct |
247 ms |
22136 KB |
Output is correct |
8 |
Correct |
1 ms |
256 KB |
Output is correct |
9 |
Correct |
61 ms |
6008 KB |
Output is correct |
10 |
Correct |
244 ms |
22136 KB |
Output is correct |
11 |
Correct |
247 ms |
22264 KB |
Output is correct |
12 |
Correct |
253 ms |
22264 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
60 ms |
5880 KB |
Output is correct |
17 |
Correct |
243 ms |
22136 KB |
Output is correct |
18 |
Correct |
243 ms |
22136 KB |
Output is correct |
19 |
Correct |
250 ms |
22272 KB |
Output is correct |
20 |
Correct |
245 ms |
22268 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
255 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
242 ms |
22136 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 |
122 ms |
12248 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
62 ms |
5880 KB |
Output is correct |
21 |
Correct |
249 ms |
22136 KB |
Output is correct |
22 |
Correct |
243 ms |
22264 KB |
Output is correct |
23 |
Correct |
251 ms |
22136 KB |
Output is correct |
24 |
Correct |
238 ms |
22136 KB |
Output is correct |
25 |
Correct |
110 ms |
12284 KB |
Output is correct |
26 |
Correct |
110 ms |
12280 KB |
Output is correct |
27 |
Correct |
250 ms |
22104 KB |
Output is correct |
28 |
Correct |
249 ms |
22128 KB |
Output is correct |
29 |
Correct |
1 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 |
0 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 |
249 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 |
11 ms |
1280 KB |
Output is correct |
41 |
Correct |
262 ms |
22236 KB |
Output is correct |
42 |
Correct |
1 ms |
256 KB |
Output is correct |
43 |
Correct |
0 ms |
256 KB |
Output is correct |
44 |
Correct |
6 ms |
768 KB |
Output is correct |
45 |
Correct |
120 ms |
12280 KB |
Output is correct |
46 |
Correct |
0 ms |
256 KB |
Output is correct |
47 |
Correct |
0 ms |
256 KB |
Output is correct |
48 |
Correct |
0 ms |
256 KB |
Output is correct |
49 |
Correct |
63 ms |
5880 KB |
Output is correct |
50 |
Correct |
245 ms |
22264 KB |
Output is correct |
51 |
Correct |
244 ms |
22268 KB |
Output is correct |
52 |
Correct |
256 ms |
22264 KB |
Output is correct |
53 |
Correct |
107 ms |
12280 KB |
Output is correct |
54 |
Correct |
109 ms |
12184 KB |
Output is correct |
55 |
Correct |
252 ms |
22264 KB |
Output is correct |
56 |
Correct |
257 ms |
22136 KB |
Output is correct |
57 |
Correct |
107 ms |
12280 KB |
Output is correct |
58 |
Correct |
0 ms |
256 KB |
Output is correct |
59 |
Correct |
0 ms |
256 KB |
Output is correct |
60 |
Correct |
6 ms |
768 KB |
Output is correct |
61 |
Correct |
124 ms |
12244 KB |
Output is correct |
62 |
Correct |
0 ms |
256 KB |
Output is correct |
63 |
Correct |
0 ms |
256 KB |
Output is correct |
64 |
Correct |
1 ms |
256 KB |
Output is correct |
65 |
Correct |
65 ms |
5880 KB |
Output is correct |
66 |
Correct |
115 ms |
12280 KB |
Output is correct |
67 |
Correct |
113 ms |
12280 KB |
Output is correct |
68 |
Correct |
109 ms |
12280 KB |
Output is correct |
69 |
Correct |
107 ms |
12280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
1 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
11 ms |
1280 KB |
Output is correct |
7 |
Correct |
255 ms |
22140 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
11 ms |
1280 KB |
Output is correct |
13 |
Correct |
242 ms |
22136 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 |
122 ms |
12248 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
62 ms |
5880 KB |
Output is correct |
21 |
Correct |
249 ms |
22136 KB |
Output is correct |
22 |
Correct |
243 ms |
22264 KB |
Output is correct |
23 |
Correct |
251 ms |
22136 KB |
Output is correct |
24 |
Correct |
238 ms |
22136 KB |
Output is correct |
25 |
Correct |
110 ms |
12284 KB |
Output is correct |
26 |
Correct |
110 ms |
12280 KB |
Output is correct |
27 |
Correct |
250 ms |
22104 KB |
Output is correct |
28 |
Correct |
249 ms |
22128 KB |
Output is correct |
29 |
Correct |
1 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 |
0 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 |
249 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 |
11 ms |
1280 KB |
Output is correct |
41 |
Correct |
262 ms |
22236 KB |
Output is correct |
42 |
Correct |
1 ms |
256 KB |
Output is correct |
43 |
Correct |
0 ms |
256 KB |
Output is correct |
44 |
Correct |
6 ms |
768 KB |
Output is correct |
45 |
Correct |
120 ms |
12280 KB |
Output is correct |
46 |
Correct |
0 ms |
256 KB |
Output is correct |
47 |
Correct |
0 ms |
256 KB |
Output is correct |
48 |
Correct |
0 ms |
256 KB |
Output is correct |
49 |
Correct |
63 ms |
5880 KB |
Output is correct |
50 |
Correct |
245 ms |
22264 KB |
Output is correct |
51 |
Correct |
244 ms |
22268 KB |
Output is correct |
52 |
Correct |
256 ms |
22264 KB |
Output is correct |
53 |
Correct |
107 ms |
12280 KB |
Output is correct |
54 |
Correct |
109 ms |
12184 KB |
Output is correct |
55 |
Correct |
252 ms |
22264 KB |
Output is correct |
56 |
Correct |
257 ms |
22136 KB |
Output is correct |
57 |
Correct |
107 ms |
12280 KB |
Output is correct |
58 |
Correct |
1 ms |
256 KB |
Output is correct |
59 |
Correct |
0 ms |
256 KB |
Output is correct |
60 |
Correct |
0 ms |
256 KB |
Output is correct |
61 |
Correct |
60 ms |
5880 KB |
Output is correct |
62 |
Correct |
250 ms |
22136 KB |
Output is correct |
63 |
Correct |
240 ms |
22140 KB |
Output is correct |
64 |
Correct |
247 ms |
22136 KB |
Output is correct |
65 |
Correct |
1 ms |
256 KB |
Output is correct |
66 |
Correct |
61 ms |
6008 KB |
Output is correct |
67 |
Correct |
244 ms |
22136 KB |
Output is correct |
68 |
Correct |
247 ms |
22264 KB |
Output is correct |
69 |
Correct |
253 ms |
22264 KB |
Output is correct |
70 |
Correct |
1 ms |
256 KB |
Output is correct |
71 |
Correct |
0 ms |
256 KB |
Output is correct |
72 |
Correct |
0 ms |
256 KB |
Output is correct |
73 |
Correct |
60 ms |
5880 KB |
Output is correct |
74 |
Correct |
243 ms |
22136 KB |
Output is correct |
75 |
Correct |
243 ms |
22136 KB |
Output is correct |
76 |
Correct |
250 ms |
22272 KB |
Output is correct |
77 |
Correct |
245 ms |
22268 KB |
Output is correct |
78 |
Correct |
0 ms |
256 KB |
Output is correct |
79 |
Correct |
0 ms |
256 KB |
Output is correct |
80 |
Correct |
6 ms |
768 KB |
Output is correct |
81 |
Correct |
124 ms |
12244 KB |
Output is correct |
82 |
Correct |
0 ms |
256 KB |
Output is correct |
83 |
Correct |
0 ms |
256 KB |
Output is correct |
84 |
Correct |
1 ms |
256 KB |
Output is correct |
85 |
Correct |
65 ms |
5880 KB |
Output is correct |
86 |
Correct |
115 ms |
12280 KB |
Output is correct |
87 |
Correct |
113 ms |
12280 KB |
Output is correct |
88 |
Correct |
109 ms |
12280 KB |
Output is correct |
89 |
Correct |
107 ms |
12280 KB |
Output is correct |
90 |
Correct |
1 ms |
256 KB |
Output is correct |
91 |
Correct |
1 ms |
256 KB |
Output is correct |
92 |
Correct |
5 ms |
640 KB |
Output is correct |
93 |
Correct |
111 ms |
8188 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 |
26 ms |
2304 KB |
Output is correct |
98 |
Correct |
100 ms |
8184 KB |
Output is correct |
99 |
Correct |
101 ms |
8184 KB |
Output is correct |
100 |
Correct |
103 ms |
8184 KB |
Output is correct |
101 |
Correct |
99 ms |
8152 KB |
Output is correct |
102 |
Correct |
106 ms |
8148 KB |
Output is correct |
103 |
Correct |
107 ms |
8184 KB |
Output is correct |
104 |
Correct |
108 ms |
8184 KB |
Output is correct |
105 |
Correct |
112 ms |
8184 KB |
Output is correct |