#include <cstdio>
using namespace std;
int rasp[103][103];
int main()
{
    int i,j,k,n;
    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",&rasp[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(rasp[i][j]>rasp[i][k]+rasp[k][j]&&rasp[i][k]!=0&&rasp[k][j]!=0)
                    rasp[i][j]=rasp[i][k]+rasp[k][j];
    for(i=1;i<=n;i++)
        {
            for(j=1;j<n;j++)
                printf("%d ",rasp[i][j]);
            printf("%d\n",rasp[i][n]);
        }
    return 0;
}