#include <fstream>

using namespace std;

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

int n, a[105][105], sol[105][105];

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)
                sol[i][j] = 10000;
            else
                sol[i][j] = a[i][j];
        }

    for(int i = 1; i <= n; i ++)
        sol[i][i] = 0;

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

    for(int i = 1; i <= n; i ++, g << '\n')
        for(int j = 1; j <= n; j ++)
            if(sol[i][j] == 10000)
                g << 0 << " ";
            else
                g << sol[i][j] << " ";
    return 0;
}