#include<bits/stdc++.h> //:3
using namespace std;
typedef long long LL;
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define pi pair<LL, LL>
#define sz(x) (int)((x).size())
#define int long long
#define cin in
#define cout out

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

const int dx[] = {0, 1, 0, -1};
const int dy[] = {1, 0, -1, 0};

const int inf = 2e9;
const LL mod = 1e9 + 7;
const int N = 2e3 + 11;
const LL INF64 = 3e18 + 1;
const double eps = 1e-14;
const double PI = acos(-1);

int n, m, dp[N][N];

void solve(){

    cin >> n;

    for(int i = 1; i <= n; i++){
        for(int j = 1, x; j <= n; j++){
            cin >> x;
            dp[i][j] = (x == 0 ? inf : x);
            if(i == j)dp[i][j] = 0;
        }
    }

    for(int k = 1; k <= n; k++){
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= n; j++){
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
            }
        }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1, x; j <= n; j++){
            cout << (dp[i][j] == inf ? 0: dp[i][j]) << ' ';
        }cout << '\n';
    }
}

int32_t main(){
ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cout << setprecision(6) << fixed;

    int T = 1;
    //cin >> T;
    while(T--){
        solve();
    }
}