#include <stdio.h>
#define nmax 105
long n,sp[nmax][nmax],i,j,k,x,y;
int main()
{
    freopen ("royfloyd.in","r",stdin);
    freopen ("royfloyd.out","w",stdout);
    scanf("%ld",&n);
    for (i=1;i<=n;++i)
        for (j=1;j<=n;++j){
            scanf("%ld",&sp[i][j]);
            }
    for (k=1;k<=n;++k)
        for (i=1;i<=n;++i)
            for (j=1;j<=n;++j)
                if (i!=k&&i!=j&&j!=k)
                   if (sp[i][k]&&sp[k][j]&&(sp[i][j]==0||sp[i][j]>sp[i][k]+sp[k][j]))
                      sp[i][j]=sp[i][k]+sp[k][j];
    for (i=1;i<=n;++i){
        for (j=1;j<=n;++j)
            printf("%ld ",sp[i][j]);
            printf("\n");
        }
    return 0;
}