#include <bits/stdc++.h>
using namespace std;
ifstream("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[102][102];
int main()
{
    fin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++) fin >> a[i][j];
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(a[i][j] > a[i][k] + a[k][j] && a[i][k] > 0 && a[k][j] > 0)
                    a[i][j] = a[i][k] + a[k][j];
    for(int i = 1; i <= n; i++, fout << '\n')
        for(int j = 1; j <= n; j++) fout << a[i][j] << ' ';

}