#include <bits/stdc++.h>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int a[105][105], n;


int main()
{
    f >> n;


    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
        {
            f >> a[i][j];
            if(a[i][j] == 0)
                a[i][j] = 9999;
        }

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
            if(a[i][k] + a[k][j] < a[i][j])
            a[i][j] = a[i][k] + a[k][j];

     for(int i = 1; i <= n; i++)
     {
         for(int j = 1; j <= n; j++)
            if(i != j)
                g << a[i][j] << " ";
         else
                g << 0 << " ";
        g << '\n';
     }
}