#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

int n,i,j,k,a[101][101];

int main()
{
    in>>n;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            in>>a[i][j];
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(i!=j && a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            out<<a[i][j]<<' ';
        out<<'\n';
    }
    return 0;
}