#include <cstdio>
#define nlimit 100

int n,a[nlimit][nlimit];

using namespace std;

int main()
{
    int i,j,k;
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(i=0;i<n;i++)
        for(j=0;j<n;j++)
           {scanf("%d",&a[i][j]);}
    for(k=0;k<n;k++)
        for(i=0;i<n;i++)
            for(j=0;j<n;j++)
                if((a[i][k])&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0) && i!=j)
                    a[i][j]=a[i][k]+a[k][j];
    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}