#include <cstdio>

using namespace std;
int a[102][102];
int n;
void R()
{
    freopen("royfloyd.in","r",stdin);
    scanf("%d",&n);
    int i,j;
    for(i=1; i<=n; ++i )
        for(j=1; j<=n; ++j)
        scanf("%d",&a[i][j]);
}
void Roy_Floyd()
{
    int k,i,j;
    for(k=1; k<=n; ++k)
        for(i=1; i<=n; ++i)
            for(j=1; j<=n; ++j)
                if(i!=j && a[k][j] && a[i][k] && ( a[i][j]==0 || a[i][j]>a[i][k]+a[k][j] ) )
                a[i][j]=a[i][k]+a[k][j];
}
int main()
{
   R();
   Roy_Floyd();
   int i,j;
   freopen("royfloyd.out","w",stdout);
   for(i=1; i<=n; i++)
   {
       for(j=1; j<=n; j++)
        printf("%d ",a[i][j]);
        printf("\n");
   }
    return 0;
}