#include <iostream>
#include <cstdio>

#define nmax 101
#define infinit 0x3f3f3f
using namespace std;


int n;
int a[nmax][nmax];


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


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


void afisare()
{
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(a[i][j] == infinit)
                cout << 0 << ' ';
            else
                cout << a[i][j] << ' ';
        }
        cout << '\n';
    }
}
int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    citire();
    floyd();
    afisare();
    return 0;
}