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

int n, a[101][101];

void read()
{
    cin>>n;
    for(int i = 1; i<=n; i++)
        for(int j = 1; j<=n; j++) 
            cin>>a[i][j];
          
}

void floyd()
{
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j<=n; j++)
                if( (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && a[i][k] && a[k][i] && i != j )
                    a[i][j] = a[i][k] + a[k][j];

    for(int i = 1; i<=n; i++, cout<<'\n')
        for(int j = 1; j<=n; j++)
            cout<<a[i][j]<<' ';
}

int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    read();
    floyd();
    
    return 0;
}