#include <fstream>
#pragma GCC optimize("O3,unroll-loops")
#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <climits>
#include <iomanip>
#include <numeric>
#include <bitset>
#include <string>
#include <vector>
#include <cmath>
#include <queue>
#include <deque>
#include <stack>
#include <list>
#include <map>
#include <set>
#define int long long
//#define int short
using namespace std;

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

const int nmax = 100;
const int inf = 1e9;

int n, rf[nmax + 5][nmax + 5];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n;
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            cin>>rf[i][j];
            if (!rf[i][j] && i != j){
                rf[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 (i == j || j == k || i == k){
                    continue;
                }
                rf[i][j] = min(rf[i][j], rf[i][k] + rf[k][j]);
            }
        }
    }
    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++){
            if (rf[i][j] == inf){
                cout<<0<<" ";
                continue;
            }
            cout<<rf[i][j]<<" ";
        }
        cout<<"\n";
    }
}