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#include <fstream>
#define INF (1 << 30)
#define dim 101
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int C[dim][dim],i,j,n,k;
int main()
{
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
fin>>C[i][j];
if(C[i][j]==0)
C[i][j]=INF;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=k&&j!=k&&i!=j)
if(C[i][j]>C[i][k]+C[k][j])
C[i][j]=C[i][k]+C[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(i==j)
C[i][j]=0;
if(C[i][j]==INF)
fout<<0<<" ";
else
fout<<C[i][j]<<" ";
}
fout<<'\n';
}
return 0;
}