#include<cstdio>

using namespace std;

int n,i,j,k,a[102][102];

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