#include <fstream>
#define DIM 101
#define INF 1001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[DIM][DIM];
int main() {
    fin>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++) {
            fin>>a[i][j];
            if (i!=j && a[i][j]==0)
                a[i][j]=INF;
        }
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (a[i][k]+a[k][j]<a[i][j])
                    a[i][j]=a[i][k]+a[k][j];
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++)
            fout<<a[i][j]<<" ";
        fout<<"\n";
    }
    return 0;
}