#include <cstdio>

using namespace std;

int n,k,j,i,c[105][105];

void royfloyd()
{
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            if ((c[i][j]>c[i][k]+c[k][j] || c[i][j]==0) && i!=j &&c[i][k] &&c[k][j])
            c[i][j]=c[i][k]+c[k][j];
}

int main()
{
    freopen ("royfloyd.in", "r", stdin);
    freopen ("royfloyd.out", "w", stdout);


    scanf ("%d", &n);

    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
        scanf ("%d", &c[i][j]);
   royfloyd();
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            printf("%d ", c[i][j]);
        printf ("\n");
    }
    return 0;
}