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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int d[105][105];
const int inf=1<<30;
int main()
{
int n;
cin>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
cin>>d[i][j];
if(i!=j && !d[i][j])
d[i][j]=inf;
}
}
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(d[i][k]+d[k][j]<d[i][j])
d[i][j]=d[i][k]+d[k][j];
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(d[i][j]!=inf)
cout<<d[i][j]<<" ";
else
cout<<"0\n";
}
cout<<"\n";
}
return 0;
}