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

#define INF 0x3f3f3f3f

int N;

int D[105][105];

int main()
{
    fin >> N;
    int i,j;
    for (i=1;i<=N;++i)
    {
        for (j=1;j<=N;++j)
        {
            fin >> D[i][j];
            if (D[i][j]==0 && i!=j)
            {
                D[i][j]=INF;
            }
        }
    }
    int k;
    for (k=1;k<=N;++k)
    {
        for (i=1;i<=N;++i)
        {
            for (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 (i=1;i<=N;++i)
    {
        for (j=1;j<=N;++j)
        {
            if (D[i][j]==INF)
            {
                fout << 0 << " ";
            }
            else
            {
                fout << D[i][j] << " ";
            }
        }
        fout << '\n';
    }
    fin.close();
    fout.close();
    return 0;
}