#include<stdio.h>

int i,j,k,n,a[109][109];

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",&a[i][j]);

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

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