#include <fstream>
#define Nmax 101
#define INF 1<<30
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[Nmax][Nmax];
void Roy_Floyd()
{
    for(int k=1;k<=n;++k)
    {
        for(int i=1;i<=n;++i)
        {
            for(int j=1;j<=n;++j)
            {
                if((a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i!=j && a[i][k] && a[k][j])a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
}
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&&i!=j)a[i][j] = INF;
        }
    }
    Roy_Floyd();
    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;
}