#include <fstream>

using namespace std;

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

const int inf = 100000;
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] = inf;
        }

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

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

    return 0;
}