#include <cstdio>
using namespace std;
int n,i,j,k,a[110][110];
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++)
    {
        if(i==k||a[i][k]==0) continue;
        for(j=1;j<=n;j++)
        {
            if(j==k||j==i||a[k][j]==0) continue;
            if(!a[i][j]||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;
}