#include <iostream>
#include <fstream>

using namespace std;

ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");

int a[101][101],i,j,n,m,x,y,k,q,poz;

void roy()
{
    for(k = 1;k <= n;k++)
    for(i = 1;i <= n;i++)
        for(j = 1;j <= n;j++)
           if(a[i][k] && a[k][j] &&(a[i][k] + a[k][j] < a[i][j] || !a[i][j]) && i != j)
           a[i][j] = a[i][k] + a[k][j];
}

int main()
{
    f >> n;
    for(i = 1;i <= n;i++)
        for(j = 1;j <= n;j++)
           f >> a[i][j];
    roy();
    for(i = 1;i <= n;i++)
    {
        for(j = 1;j <= n;j++)
            g << a[i][j] <<" ";
        g << '\n';
    }
}