#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
struct ufds{
int par[1005],rnk[1005];
void init(int n){
for(int i=0;i<n;++i)par[i]=i,rnk[i]=0;
}
int fp(int i){return (par[i]==i)?i:par[i]=fp(par[i]);}
void join(int x,int y){
x=fp(x),y=fp(y);
if(rnk[x]==rnk[y])par[x]=y;
else par[y]=x;
if(rnk[x]==rnk[y])++rnk[x];
}
}u;
int construct(vector<vector<int>> p){
int n=p.size();
u.init(n);
for(int i=0;i<n;++i){
for(int j=0;j<n;++j){
if(p[i][j]==3)return 0;
if(p[i][j]!=0)u.join(i,j);
}
}
vector<vector<int>> c1;
c1.resize(n);
for(int i=0;i<n;++i){
c1[u.fp(i)].push_back(i);
for(int j=0;j<n;++j){
if(u.fp(i)==u.fp(j)&&p[i][j]==0){
return 0;
}
}
}
u.init(n);
for(int i=0;i<n;++i){
for(int j=0;j<n;++j){
if(p[i][j]==1)u.join(i,j);
}
}
vector<vector<int>> c2,c3;
c2.resize(n);
c3.resize(n);
for(int i=0;i<n;++i){
c2[u.fp(i)].push_back(i);
for(int j:c1[i]){
if(u.fp(j)==j)c3[i].push_back(j);
}
}
vector<vector<int>> answer;
answer.resize(n);
for(int i=0;i<n;i++)answer[i].resize(n);
for(int i=0;i<n;++i){
for(int j:c2[i]){
if(i!=j)answer[i][j]=answer[j][i]=1;
}
}
for(int i=0;i<n;++i){
if(c3[i].size()>=2){
int m=c3[i].size();
for(int j=0;j<m;++j){
int a=c3[i][j],b=c3[i][(j+1)%m];
if(a!=b)answer[a][b]=answer[b][a]=1;
}
}
}
build(answer);
return 1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
9 ms |
1200 KB |
Output is correct |
7 |
Correct |
181 ms |
24068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
9 ms |
1200 KB |
Output is correct |
7 |
Correct |
181 ms |
24068 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
284 KB |
Output is correct |
12 |
Correct |
8 ms |
1196 KB |
Output is correct |
13 |
Correct |
173 ms |
24072 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
292 KB |
Output is correct |
16 |
Correct |
4 ms |
580 KB |
Output is correct |
17 |
Correct |
90 ms |
10144 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
44 ms |
6260 KB |
Output is correct |
21 |
Correct |
184 ms |
24072 KB |
Output is correct |
22 |
Correct |
176 ms |
24004 KB |
Output is correct |
23 |
Correct |
206 ms |
24048 KB |
Output is correct |
24 |
Correct |
176 ms |
24064 KB |
Output is correct |
25 |
Correct |
84 ms |
10108 KB |
Output is correct |
26 |
Correct |
63 ms |
10092 KB |
Output is correct |
27 |
Correct |
197 ms |
24060 KB |
Output is correct |
28 |
Correct |
182 ms |
24048 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
300 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Incorrect |
0 ms |
300 KB |
Answer gives possible 1 while actual possible 0 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
296 KB |
Output is correct |
4 |
Correct |
52 ms |
6188 KB |
Output is correct |
5 |
Correct |
176 ms |
24048 KB |
Output is correct |
6 |
Correct |
226 ms |
24132 KB |
Output is correct |
7 |
Correct |
202 ms |
24004 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
44 ms |
6256 KB |
Output is correct |
10 |
Correct |
176 ms |
24116 KB |
Output is correct |
11 |
Correct |
181 ms |
24020 KB |
Output is correct |
12 |
Correct |
197 ms |
24056 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
44 ms |
6200 KB |
Output is correct |
17 |
Correct |
193 ms |
24032 KB |
Output is correct |
18 |
Correct |
210 ms |
24036 KB |
Output is correct |
19 |
Correct |
177 ms |
24004 KB |
Output is correct |
20 |
Correct |
175 ms |
24132 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
9 ms |
1200 KB |
Output is correct |
7 |
Correct |
181 ms |
24068 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
284 KB |
Output is correct |
12 |
Correct |
8 ms |
1196 KB |
Output is correct |
13 |
Correct |
173 ms |
24072 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
292 KB |
Output is correct |
16 |
Correct |
4 ms |
580 KB |
Output is correct |
17 |
Correct |
90 ms |
10144 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
44 ms |
6260 KB |
Output is correct |
21 |
Correct |
184 ms |
24072 KB |
Output is correct |
22 |
Correct |
176 ms |
24004 KB |
Output is correct |
23 |
Correct |
206 ms |
24048 KB |
Output is correct |
24 |
Correct |
176 ms |
24064 KB |
Output is correct |
25 |
Correct |
84 ms |
10108 KB |
Output is correct |
26 |
Correct |
63 ms |
10092 KB |
Output is correct |
27 |
Correct |
197 ms |
24060 KB |
Output is correct |
28 |
Correct |
182 ms |
24048 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
300 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Incorrect |
0 ms |
300 KB |
Answer gives possible 1 while actual possible 0 |
33 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
296 KB |
Output is correct |
3 |
Correct |
0 ms |
300 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
9 ms |
1200 KB |
Output is correct |
7 |
Correct |
181 ms |
24068 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
284 KB |
Output is correct |
12 |
Correct |
8 ms |
1196 KB |
Output is correct |
13 |
Correct |
173 ms |
24072 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
292 KB |
Output is correct |
16 |
Correct |
4 ms |
580 KB |
Output is correct |
17 |
Correct |
90 ms |
10144 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
44 ms |
6260 KB |
Output is correct |
21 |
Correct |
184 ms |
24072 KB |
Output is correct |
22 |
Correct |
176 ms |
24004 KB |
Output is correct |
23 |
Correct |
206 ms |
24048 KB |
Output is correct |
24 |
Correct |
176 ms |
24064 KB |
Output is correct |
25 |
Correct |
84 ms |
10108 KB |
Output is correct |
26 |
Correct |
63 ms |
10092 KB |
Output is correct |
27 |
Correct |
197 ms |
24060 KB |
Output is correct |
28 |
Correct |
182 ms |
24048 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
300 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Incorrect |
0 ms |
300 KB |
Answer gives possible 1 while actual possible 0 |
33 |
Halted |
0 ms |
0 KB |
- |