#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 || a[i][j] == 9999)
            g << 0 << " ";
        else
            if(a[i][j] != 9999)
            g << a[i][j] << " ";
        g << '\n';
    }

    return 0;
}