#include <iostream>
#include <fstream>

using namespace std;


#define INF 999999999
int p[101][101],x,n;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

void warshall() {
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                p[i][j]=min(p[i][j],p[i][k]+p[k][j]);
}


int main()
{
    fin>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++) {
            fin>>x;
            if (x==0) {p[i][j]=INF;}
            else p[i][j]=x;
        }
    warshall();

    for (int i=1;i<=n;i++) {
        for (int j=1;j<=n;j++) {
            fout<<p[i][j]<<" ";
        }
        fout<<"\n";
    }

    fout.close();
    return 0;
}