#include <fstream>
#define NMAX 102

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, v[NMAX][NMAX], a[NMAX][NMAX];

int main()
{
    int i, j, k;
    fin >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
            fin >> v[i][j];
    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(v[i][k] != 0 && v[k][j] != 0)
                    if((v[i][k] + v[k][j] < v[i][j] || !v[i][j]) && i != j)
                        v[i][j] = v[i][k] + v[k][j];
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
            fout << v[i][j] << ' ';
        fout << '\n';
    }
    return 0;
}