#include<iostream>
#include<fstream>
#define oo 1<<29

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int D[105][105],N;

void Read()
{
    fin>>N;
    for(int i =1;i<=N;++i)
        for(int j=1;j<=N;++j)
        {
            int x;
              fin>>x;
            if(!x && i != j)
                D[i][j]=oo;
            else
                D[i][j]=x;
        }
}

void Solve()
{
    for(int k=1;k<= N;++k)
        for(int i=1;i<=N;++i)
            for(int j =1;j<= N;++j)
                D[i][j]=min(D[i][j],D[i][k]+D[k][j]);
}
void Print()
{
    for(int i=1;i<=N;++i)
    {
        for(int j=1;j<=N;++j)
        {
            if(D[i][j]==oo)
                fout<<"0 ";
            else
               fout<<D[i][j]<<" ";
        }
        fout<<"\n";
    }
}
int main()
{
    Read();
    Solve();
    Print();
    return 0;
}