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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[102][102];
int main()
{ int i,j,k;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>a[i][j];
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j&&k!=i&&k!=j)
if((a[i][k]&&a[k][j]&&a[i][j]>a[i][k]+a[k][j])||a[i][j]==0) a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
return 0;
}