#include <iostream>
#include <fstream>
#include <utility>
using namespace std;
#define MAXN 110
#define INF 0x3f3f3f3f
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int N, a[MAXN][MAXN];
int main()
{
    int i, j , k;
    fin >> N;
    for(i = 0; i < N; i++){
        for(j = 0; j < N; j++){
            fin >> a[i][j];
            if(!a[i][j]) a[i][j] = INF;
        }
    }
    for(k = 0; k < N; k++){
        for(i = 0; i < N; i++){
            for(j = 0; j < N; j++){
                if(i != j){
                    a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                }
                else a[i][j] = 0;
            }
        }
    }
    for(i = 0; i < N; i++){
        for(j = 0; j < N; j++) fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}