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#include <fstream>
#define nmax 120
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[nmax][nmax],n;
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
fin>>a[i][j];
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][k]&&a[k][j]&&(!a[i][j]||a[i][j]>a[i][k]+a[k][j])&&i!=k&&j!=k&&i!=j)
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
fout<<a[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}