#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int const maxim=105;
int matrice[maxim][maxim];
int n;
void citire(){
in >> n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)in>>matrice[i][j];
}
}
void royfloyd(){
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(matrice[i][k] && matrice[k][i] && (matrice[i][j]>matrice[i][k]+matrice[k][j] || !matrice[i][j])&& i!=j)matrice[i][j]=matrice[i][k]+matrice[k][j];
}
}
}
}
void afisare(){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)out << matrice[i][j] << " ";
out << endl;
}
}
int main(){
citire();
royfloyd();
afisare();
return 0;}