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

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

int n,a[101][101];

int main()
{
    in>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            in>>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][j]=a[i][k]+a[k][j];
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            out<<a[i][j]<<" ";
        out<<"\n";
        }
    return 0;
}