#include <cstdio>

using namespace std;

int i,j,k,n,a[105][105];
void rf()
{
    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];
}

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]);

    rf();


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