#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
#define nmax 105
#define inf 1<<29
int mat[nmax][nmax];
int n;
int main()
{
    int i,j,k;
    in>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            in>>mat[i][j];
            if(mat[i][j]==0) mat[i][j]=inf;
        }
    }


    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                if(mat[i][j]>mat[i][k]+mat[k][j]&&i!=j) mat[i][j]=mat[i][k]+mat[k][j];

            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            if(mat[i][j]!=inf) out<<mat[i][j]<<" ";
            else out<<"0 ";
        }
        out<<"\n";
    }

    return 0;
}