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

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

#define NMax 101
#define INF 2000
short int A[NMax][NMax],N;
void citire()
{
    f>>N;
    for(short int i=1;i<=N;i++)
        for(short int j=1;j<=N;j++)
        {
            f>>A[i][j];
            if(A[i][j]==0 && i!=j)
                A[i][j]=INF;
        }
    f.close();
}

void roy()
{
    for(short int k=1;k<=N;k++)
        for(short int i=1;i<=N;i++)
            for(short int j=1;j<=N;j++)
                if(A[i][k]+A[k][j]<A[i][j])
                    A[i][j]=A[i][k]+A[k][j];
}
int main()
{
    citire();
    roy();
    for(short int i=1;i<=N;i++)
    {
        for(short int j=1;j<=N;j++)
            g<<A[i][j]<<" ";
        g<<'\n';
    }
    g.close();
    return 0;
}