#include <iostream>
#include <fstream>
using namespace std;

#define inf 0x3f3f3f3f
#define MAXN 105

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

int n;
int a[MAXN][MAXN];

int main()
{
    f >> n;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            f >> a[i][j];
            if (a[i][j] == 0) {
                a[i][j] = inf;
            }
        }
    }

    for (int k = 0; k < n; k++) {
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                if (i == j) a[i][j] = 0;
            }
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            g << a[i][j] << ' ';
        }
        g << '\n';
    }
    g << '\n';

    return 0;
}