#include <iostream>
#include <fstream>

using namespace std;

ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");

unsigned n;
unsigned a[101][101];

void cit()
{
    for(unsigned i=1;i<=n;i++)
        for(unsigned j=1;j<=n;j++)
            fi>>a[i][j];
}

int main()
{
    fi>>n;

    cit();

    for(int k=1;k<=n;k++)
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            if(a[i][k]&&a[k][j]&&i!=j&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j]))
                a[i][j]=a[i][k]+a[k][j];

    for(int i=1;i<=n;i++)
        {for(int j=1;j<=n;j++)
            fo<<a[i][j]<<" ";
        fo<<'\n';}

    return 0;
}