#include <iostream>
#include <fstream>
#define nmax 105

using namespace std;

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

int a[nmax][nmax];

int main()
{
    int n, i, j;
    fin>>n;
    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            fin>>a[i][j];
    }

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

    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            fout<<a[i][j]<<' ';
        fout<<'\n';
    }
    return 0;
}