#include<cstdio>
#include<algorithm>
using namespace std;
int n,i,j,k,a[105][105];
void citire()
{
    scanf("%d",&n);
    for (i=1;i<=n;i++)
    for (j=1;j<=n;j++) scanf("%d",&a[i][j]);
}
void solve()
{
    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)&&(i!=k)&&(j!=k))
    if ((a[i][j]==0)||(a[i][j]>a[i][k]+a[k][j])) a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    citire();
    solve();
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}