#include <bits/stdc++.h>
using namespace std;

#define N 110
int n, dp[N][N];

int main(){
    ifstream cin ("royfloyd.in");
    ofstream cout ("royfloyd.out");
    cin >> n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++){
            cin >> dp[i][j];
            if (!dp[i][j]) dp[i][j] = 1e9;
        }
    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++, cout << '\n')
        for (int j=1; j<=n; j++) cout << (dp[i][j] == 1e9 ? 0 : dp[i][j])<< ' ';
    return 0;
}