#include<iostream>
#include<fstream>
#define oo 1<<29
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n,a[101][101];

inline void Citire()
{
    int i,j;
    fin>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            {
                fin>>a[i][j];
                if (a[i][j]==0)
                    a[i][j]=oo;
            }
}

inline void ROYFLOYD()
{
    int i,j,k;
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
                if (a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
}

inline void Afisare()
{
    int i,j;
    for (i=1;i<=n;i++)
        {
            for (j=1;j<=n;j++)
                {
                    if (i==j)
                        a[i][j]=0;
                    fout<<a[i][j]<<" ";
                }
            fout<<"\n";
        }
}


int main()
{
    Citire();
    ROYFLOYD();
    Afisare();
    return 0;
}