#include<stdio.h>
#define DIM 101
int n,a[DIM][DIM];
void read ()
{
    int i,j;
    scanf("%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            scanf("%d",&a[i][j]);
}
void solve ()
{
    int k,i,j;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(a[i][k]!=0 && a[k][j]!=0 && i!=j && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0))
                    a[i][j]=a[i][k]+a[k][j];
}
void show ()
{
    int i,j;
    for(i=1;i<=n;++i,printf("\n"))
        for(j=1;j<=n;++j)
            printf("%d ",a[i][j]);

}
int main ()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    read ();
    solve ();
    show ();
    return 0;
}