#include <fstream>
#define inf 2000000
using namespace std;
int n, i, j, k, d[105][105];
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");

int main () {
    fin>>n;
    for (i=1;i<=n;i++) {
        for (j=1;j<=n;j++) {
            fin>>d[i][j];
            if (d[i][j]==0)
                d[i][j]=inf;
        }
    }

    for (k=1;k<=n;k++) {
        for (i=1;i<=n;i++) {
            for (j=1;j<=n;j++) {
                if (i!=j)
                    d[i][j]=min (d[i][j], d[i][k]+d[k][j]);
            }
        }
    }
    for (i=1;i<=n;i++) {
        for (j=1;j<=n;j++)
            if (d[i][j]==inf)
                fout<<0<<" ";
            else
                fout<<d[i][j]<<" ";
        fout<<"\n";
    }
    return 0;
}