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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[102][102];
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][j]>a[i][k]+a[k][j] || !a[i][j]) && i!=j && a[i][k] && a[k][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<<endl;
}
}