#include <iostream>
#include <fstream>

using namespace std;

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

int n;
int a[103][103];

int main()
{
    fin >> n;
    for(int i = 0; i < n; i++)
        for(int j = 0; j < n; j++)
            fin >> a[i][j];

    for(int k = 0; k < n; k++)
        for(int i = 0; i < n; i++)
            for(int j = 0; j < n; j++)
                if(a[i][k] && a[k][j] && i != j && (a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0))
                    a[i][j] = a[i][k] + a[k][j];
    for(int i = 0; i < n; i++, fout << "\n")
        for(int j = 0; j < n; j++)
            fout << a[i][j] << " ";

    return 0;
}