#include <cstdio>

using namespace std;
int a[109][109],i,j,k,n;
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(a[i][k]+a[k][j]<a[i][j] && a[i][k]>0 && a[k][j]>0)
    {
        a[i][j]=a[i][k]+a[k][j];
    }

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





    return 0;
}