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

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

int main()
{
    int n, a[102][102];
    f >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            f >> 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( i!= j && a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
            g << a[i][j] << ' ';
        g << '\n';
    }
}