#include <vector>
using namespace std;
void build(vector<vector<int>> b);
int construct(vector<vector<int>> p)
{
int n=p.size();
bool subt1=1,subt2=1;
for (int i=0;i<n;i++)
{
for (int j=i+1;j<n;j++)
{
if (p[i][j]!=1)
subt1=0;
if (p[i][j]>1)
subt2=0;
}
}
if (subt1)
{
vector<vector<int>>b(n,vector<int>(n));
for (int i=1;i<n;i++)
b[0][i]=b[i][0]=1;
build(b);
return 1;
}
if (subt2)
{
bool vis[n]={};
int head[n]={};
vector<vector<int>>b(n,vector<int>(n));
for (int i=0;i<n;i++)
{
if (!vis[i])
{
vis[i]=1;
for (int j=0;j<n;j++)
{
if (vis[j])
continue;
if (p[i][j])
{
vis[j]=1;
b[i][j]=1;
head[j]=i;
}
}
}
}
for (int i=0;i<n;i++)
{
for (int j=0;j<n;j++)
{
if (p[i][j]&&head[i]!=head[j])
return 0;
if (p[i][j]==0&&head[i]==head[j])
return 0;
}
}
build(b);
return 1;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1112 KB |
Output is correct |
7 |
Correct |
119 ms |
22028 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1112 KB |
Output is correct |
7 |
Correct |
119 ms |
22028 KB |
Output is correct |
8 |
Incorrect |
0 ms |
344 KB |
Answer gives possible 0 while actual possible 1 |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Answer gives possible 0 while actual possible 1 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Answer gives possible 0 while actual possible 1 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1112 KB |
Output is correct |
7 |
Correct |
119 ms |
22028 KB |
Output is correct |
8 |
Incorrect |
0 ms |
344 KB |
Answer gives possible 0 while actual possible 1 |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
5 ms |
1112 KB |
Output is correct |
7 |
Correct |
119 ms |
22028 KB |
Output is correct |
8 |
Incorrect |
0 ms |
344 KB |
Answer gives possible 0 while actual possible 1 |
9 |
Halted |
0 ms |
0 KB |
- |