#include <cstdio>
using namespace std;
int i,j,n,a[101][101],k;
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]!=0 && a[j][k]!=0)
                    if (a[i][j]>a[i][k]+a[j][k] || a[i][j]==0)
                        if (i!=j) a[i][j]=a[i][k]+a[j][k];

            }
    for (i=1;i<=n;++i)
        {
            for (j=1;j<=n;++j) printf("%d ",a[i][j]);
            printf("\n");
        }
    return 0;
}