#include <bits/stdc++.h>
#define N 105
#define inf 200000000

using namespace std;

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

int n;
int cost[N][N];

void read()
{
    int i, j;

    fin >> n;

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

             if ( cost[i][j] == 0 && i != j )
                 cost[i][j] = inf;
         }

    fin.close();
}

void roy_floyd()
{
    int k, i, j;

    for ( k = 1; k <= n; ++k )
         for ( i = 1; i <= n; ++i )
              for ( j = 1; j <= n; ++j )
                   if ( cost[i][j] > cost[i][k] + cost[k][j] )
                       cost[i][j] = cost[i][k] + cost[k][j];
}

void out()
{
    int i, j;

    for ( i = 1; i <= n; ++i )
    {
        for ( j = 1; j <= n; ++j )
             if ( cost[i][j] != inf )
                 fout << cost[i][j] << ' ';
             else fout << 0 << ' ';
        fout << '\n';
    }
}

int main()
{
    read();
    roy_floyd();
    out();

    fout.close();

    return 0;
}