#include <iostream>
#include <fstream>

using namespace std;

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

const int inf = 0x3f3f3f3f;

int d[105][105];

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