#include <bits/stdc++.h>
#define int long long
#define INF 0x3F3F3F
#define MAX 102
using namespace std;
int n,a[MAX][MAX];

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

signed main()
{
    fin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            fin >> a[i][j];
            if(i != j && a[i][j] == 0){
                a[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(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++){
            fout << a[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}