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

int main()
{
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");
    int n;
    in>>n;
    int a[n][n];
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            in >> 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] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];

    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++)
            out << a[i][j] << " ";
        out << "\n";
    }
    return 0;
}