#include<cstdio>

int i,j,k,n,a[120][120];

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]&&i!=j)
                     if(a[i][k]+a[k][j]<a[i][j]||!a[i][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");
     }

     fclose(stdin);
     fclose(stdout);

     return 0;
}