#include <bits/stdc++.h>
using namespace std;

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

int n;
int d[105][105];

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