#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101], N;

int main()
{
    f>>N;

    int i, j, k;

    for(i = 1; i <= N; i++)
        for(j = 1; j <= N; j++)
           f>>a[i][j];

    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] && i!=j)
                  if(a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0 )
                     a[i][j] = a[i][k] + a[k][j];



    for(i = 1; i <= N; i++)
        a[i][i] = 0;

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


    return 0;
}