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