#include <fstream>
#define INF 2000000001
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,a[111][111],k;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
           f>>a[i][j];
           if(a[i][j]==0)
            a[i][j]=INF;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(a[i][j]!=INF)
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
    for(i=1;i<=n;i++,g<<'\n')
        for(j=1;j<=n;j++)
            if(a[i][j]==INF)
                g<<0<<" ";
            else
                g<<a[i][j]<<" ";
    return 0;
}