#include <iostream>
#include <fstream>
#define NUM 105
int mat[NUM][NUM];
int n, m, a, b, c;
const int inf = 0x3F3F3F3F;
using namespace std;
int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    f >> n;

    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            f >> mat[i][j];

    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if( mat[i][k] &&
                    mat[k][j] &&
                    i != j &&
                    (mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j]))
                    mat[i][j] = mat[i][k] + mat[k][j];

    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
            g << mat[i][j] << " ";
        g << "\n";
    }
    f.close();
    g.close();
}