#include <fstream>

using namespace std;

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

const int NMAX = 105;

int N;
int V[NMAX][NMAX];

void Read(){
    in >> N;
    for(int i = 1; i <= N; ++i){
        for(int j = 1; j <= N; ++j)
            in >> V[i][j];
    }
}

void Solve(){
    for(int k = 1; k <= N; ++k){
        for(int i = 1; i <= N; ++i){
            for(int j = 1; j <= N; ++j){
                if(V[i][k] && V[k][j]
                    && (V[i][k] + V[k][j] < V[i][j]
                      || !V[i][j]) && i != j)
                    V[i][j] = V[i][k] + V[k][j];
            }
        }
    }
}

void Print(){
    for(int i = 1; i <= N; ++i){
        for(int j = 1; j <= N; ++j)
            out << V[i][j] << " ";
        out << "\n";
    }
}

int main(){
    Read();
    Solve();
    Print();
}