#include <fstream>

using namespace std;
int a[101][101],i,j,k,n;
int main()
{
    ifstream fi("royfloyd.in");
    ofstream fo("royfloyd.out");
    fi>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fi>>a[i][j];
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
             if((i!=j)&&(a[i][k])&&(a[k][j])&&((a[i][j]==0)||(a[i][j]>a[i][k]+a[k][j]))) a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++) fo<<a[i][j]<<" ";
    fo<<"\n";
    }
    fo.close();
    return 0;
}