#include <cstdio>
#define NMIN -2000000000
using namespace std;
int m[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",&m[i][j]);
            if(m[i][j]==0)
                m[i][j]=NMIN;
        }


    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(m[i][k]!=NMIN&&m[k][j]!=NMIN&&i!=j&&((m[i][j]>m[i][k]+m[k][j])||(m[i][j]==NMIN)))
                    m[i][j]=m[i][k]+m[k][j];

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            if(m[i][j]!=NMIN)
                printf("%d ",m[i][j]);
            else
                printf("0 ");
        }

        printf("\n");
    }
    return 0;
}