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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
const int N = 109;
int n,v[N][N];
int main()
{
cin>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
cin>>v[i][j];
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(v[i][k]!=0 && v[k][j]!=0 && v[i][j] > v[i][k] + v[k][j])
v[i][j] = v[i][k] + v[k][j];
for(int i=1;i<=n;++i,cout<<'\n')
for(int j=1;j<=n;++j)
cout<<v[i][j]<<' ';
return 0;
}