# include <cstdio>
using namespace std;
int n,a[101][101],i,j,k;
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]!=0 && a[k][j]!=0)
                    if(a[i][j]==0 || a[i][j]>a[i][k]+a[k][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");
    }
    return 0;
}