#include <iostream>
#include <fstream>

using namespace std;
int a[101][101],n;

void roy()
{
    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][k]  && a[k][j] && (a[i][j]> a[i][k]+a[k][j] || !a[i][j]) && i!=j)
                 a[i][j]=a[i][k]+a[k][j];
}

void init()
{
    int i,j;
    scanf("%i",&n);
    for (i=1; i<=n; i++)
      for (j=1; j<=n; j++) scanf("%i",&a[i][j]);
}

void afis()
{
    int i,j;
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++) printf("%i ",a[i][j]);
        printf("\n");
    }
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    init();
    roy();
    afis();
    return 0;
}