#include <iostream>
#include <fstream>

const int INFINIT = 1001;

int main()
{
    std::ifstream in("royfloyd.in");
    std::ofstream out("royfloyd.out");

    int N;
    in >> N;

    int A[N + 1][N + 1] = {};
    for(int i = 1; i <= N; ++i){
        for(int j = 1; j <= N; ++j){
            in >> A[i][j];
            if(A[i][j] == 0){
                A[i][j] = INFINIT;
            }
        }
    }

    for(int i = 1; i <= N; ++i){
        for(int j = 1; j <= N; ++j){
            if(i != j){
                for(int k = 1; k <= N; ++k){
                    if(A[i][j] > A[i][k] + A[k][j]){
                        A[i][j] = A[i][k] + A[k][j];
                    }
                }
            }
        }
    }

    for(int i = 1; i <= N; ++i){
        for(int j = 1; j <= N; ++j){
            if(A[i][j] == INFINIT){
                out << 0 << ' ';
            }
            else{
                out << A[i][j] << ' ';
            }
        }
        out << '\n';
    }
    return 0;
}