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#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int d[105][105],n;
void RoyFloyd ()
{
int k,i,j;
for (k=1;k<=n;k++)
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (d[i][k]!=0 && d[k][j]!=0 && i!=j)
if (d[i][k]+d[k][j]<d[i][j] || d[i][j]==0)
d[i][j]=d[i][k]+d[k][j];
}
int main ()
{
int i,j;
fin>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
fin>>d[i][j];
RoyFloyd();
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
fout<<d[i][j]<<" ";
fout<<'\n';
}
return 0;
}