#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(x==y)return;
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]!=p[j][i])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=0;j<n;++j){
if(u.fp(i)==u.fp(j)&&p[i][j]!=1){
return 0;
}
}
for(int j:c1[i]){
if(u.fp(j)==j)c3[i].push_back(j);
}
}
for(int i=0;i<n;++i){
for(int a:c1[i]){
for(int b:c1[i]){
if(u.fp(a)!=u.fp(b)&&p[a][b]!=2){
return 0;
}
}
}
}
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 |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
1160 KB |
Output is correct |
7 |
Correct |
202 ms |
24088 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
1160 KB |
Output is correct |
7 |
Correct |
202 ms |
24088 KB |
Output is correct |
8 |
Correct |
1 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
8 ms |
1204 KB |
Output is correct |
13 |
Correct |
187 ms |
24140 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
4 ms |
692 KB |
Output is correct |
17 |
Correct |
95 ms |
10108 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
50 ms |
6272 KB |
Output is correct |
21 |
Correct |
208 ms |
24040 KB |
Output is correct |
22 |
Correct |
187 ms |
24056 KB |
Output is correct |
23 |
Correct |
212 ms |
24052 KB |
Output is correct |
24 |
Correct |
187 ms |
24048 KB |
Output is correct |
25 |
Correct |
83 ms |
10180 KB |
Output is correct |
26 |
Correct |
75 ms |
10052 KB |
Output is correct |
27 |
Correct |
225 ms |
24024 KB |
Output is correct |
28 |
Correct |
183 ms |
24104 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
276 KB |
Output is correct |
4 |
Incorrect |
0 ms |
204 KB |
Answer gives possible 1 while actual possible 0 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
49 ms |
6260 KB |
Output is correct |
5 |
Correct |
208 ms |
24028 KB |
Output is correct |
6 |
Correct |
195 ms |
24052 KB |
Output is correct |
7 |
Correct |
220 ms |
24096 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
49 ms |
6252 KB |
Output is correct |
10 |
Correct |
194 ms |
24084 KB |
Output is correct |
11 |
Correct |
181 ms |
24052 KB |
Output is correct |
12 |
Correct |
200 ms |
24052 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
50 ms |
6252 KB |
Output is correct |
17 |
Correct |
200 ms |
24080 KB |
Output is correct |
18 |
Correct |
202 ms |
24052 KB |
Output is correct |
19 |
Correct |
190 ms |
24064 KB |
Output is correct |
20 |
Correct |
179 ms |
24072 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
1160 KB |
Output is correct |
7 |
Correct |
202 ms |
24088 KB |
Output is correct |
8 |
Correct |
1 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
8 ms |
1204 KB |
Output is correct |
13 |
Correct |
187 ms |
24140 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
4 ms |
692 KB |
Output is correct |
17 |
Correct |
95 ms |
10108 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
50 ms |
6272 KB |
Output is correct |
21 |
Correct |
208 ms |
24040 KB |
Output is correct |
22 |
Correct |
187 ms |
24056 KB |
Output is correct |
23 |
Correct |
212 ms |
24052 KB |
Output is correct |
24 |
Correct |
187 ms |
24048 KB |
Output is correct |
25 |
Correct |
83 ms |
10180 KB |
Output is correct |
26 |
Correct |
75 ms |
10052 KB |
Output is correct |
27 |
Correct |
225 ms |
24024 KB |
Output is correct |
28 |
Correct |
183 ms |
24104 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
276 KB |
Output is correct |
32 |
Incorrect |
0 ms |
204 KB |
Answer gives possible 1 while actual possible 0 |
33 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
296 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 |
1160 KB |
Output is correct |
7 |
Correct |
202 ms |
24088 KB |
Output is correct |
8 |
Correct |
1 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
8 ms |
1204 KB |
Output is correct |
13 |
Correct |
187 ms |
24140 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
4 ms |
692 KB |
Output is correct |
17 |
Correct |
95 ms |
10108 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
50 ms |
6272 KB |
Output is correct |
21 |
Correct |
208 ms |
24040 KB |
Output is correct |
22 |
Correct |
187 ms |
24056 KB |
Output is correct |
23 |
Correct |
212 ms |
24052 KB |
Output is correct |
24 |
Correct |
187 ms |
24048 KB |
Output is correct |
25 |
Correct |
83 ms |
10180 KB |
Output is correct |
26 |
Correct |
75 ms |
10052 KB |
Output is correct |
27 |
Correct |
225 ms |
24024 KB |
Output is correct |
28 |
Correct |
183 ms |
24104 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
276 KB |
Output is correct |
32 |
Incorrect |
0 ms |
204 KB |
Answer gives possible 1 while actual possible 0 |
33 |
Halted |
0 ms |
0 KB |
- |