#include <cstdio>
using namespace std;

int n,d[100][100];

void read()
{
    int i,j;
    freopen("royfloyd.in","r",stdin);
    scanf("%d",&n);
    for(i=0;i<n;++i)
    {
        for(j=0;j<n;++j)
        {
            scanf("%d",&d[i][j]);
        }
    }
}

void royfloyd()
{
    int i,j,k;
    for(k=0;k<n;++k)
    {
        for(i=0;i<n;++i)
        {
            for(j=0;j<n;++j)
            {
                if(i!=j&&d[i][k]&&d[k][j]&&(d[i][j]>d[i][k]+d[k][j]||!d[i][j]))
                {
                    d[i][j]=d[i][k]+d[k][j];
                }
            }
        }
    }
}

void write()
{
    freopen("royfloyd.out","w",stdout);
    int i,j;
    for(i=0;i<n;++i)
    {
        for(j=0;j<n;++j)
        {
            printf("%d ",d[i][j]);
        }
        printf("\n");
    }
}

int main()
{
    read();
    royfloyd();
    write();
    return 0;
}