#include <bits/stdc++.h>
#define NMAX 105

using namespace std;

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

int dp[NMAX][NMAX];

int main()
{
    int n, i, j, k;

    fin >> n;
    for ( i = 1 ; i <= n ; i++ )
        for ( j = 1 ; j <= n ; j++ )
            fin >> dp[i][j];

    for ( k = 1 ; k <= n ; k++ )
        for ( i = 1 ; i <= n ; i++ )
            for ( j = 1 ; j <= n ; j++ )
                if ( dp[i][k] != 0 && dp[k][j] != 0 && ( dp[i][j] == 0 || dp[i][k] + dp[k][j] < dp[i][j] ) && i != j ) dp[i][j] = dp[i][k] + dp[k][j];

    for ( i = 1 ; i <= n ; i++ )
    {
        for ( j = 1 ; j <= n ; j++ ) fout << dp[i][j] << ' ';
        fout << '\n';
    }

    return 0;
}