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

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

/**

*/

int a[102][102];
int n, m;
const int oo = 1e9;

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

int main()
{
    int i, j;
    fin >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
        {
            fin >> a[i][j];
            if(a[i][j] == 0) a[i][j] = oo;
        }
    Roy_Floyd();
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
            if(a[i][j] == oo) fout << "0 ";
            else fout << a[i][j] << " ";
        fout << "\n";
    }
}