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#include <fstream>
#define inf 1000001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[101][101];
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
fin>>a[i][j];
if(a[i][j]==0)
a[i][j]=inf;
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
for(int p=1;p<=n;p++)
{
if(a[i][j]==inf || a[j][p]==inf || i==p )
continue;
if(a[i][j]+a[j][p]<a[i][p])
a[i][p]=a[i][j]+a[j][p];
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(a[i][j]==inf)
fout<<0<<" ";
else
fout<<a[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}