#include <fstream>
#include <math.h>

using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

#define INF 1e9

int n, mat[101][101];

int main()
{
    int x;
    in >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            in >> x;
            mat[i][j] = x;
            if(x == 0)
                mat[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(i != k && j != k && i != j){
                    mat[i][j] = min(mat[i][j], mat[i][k]+ mat[k][j]);
                }
            }
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            if(mat[i][j] == INF)
                mat[i][j] = 0;
            out << mat[i][j] <<' ';
        }
        out <<'\n';
    }
    return 0;
}