#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i,n,a[101][101],k,j;
int main(){
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            f>>a[i][j];
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
                if (a[i][k] && a[k][j] && (a[i][k]+a[k][j]<a[i][j]))
                    a[i][j]=a[i][k]+a[k][j];
    for (i=1;i<=n;i++){
        for (j=1;j<=n;j++)
            g<<a[i][j]<<" ";
    g<<'\n';
    }
    return 0;
}