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


ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,m;
int d[10001][10001],w[10001][10001];
int inf = 100001;
void initializare()
{
    for(int i = 1; i <=n ; i++)
        for(int j = 1; j <=n; j++)
        {
            d[i][j] = w[i][j];
        }

}
int main()
{
    fin >> n;
    for(int i = 1; i<= n; i++)
        for(int j = 1; j<=n; j++)
    {
        int c;
        fin >> c;
        if(c == 0 && i!=j)
            w[i][j] = inf;
        else
            w[i][j] = c;
    }
    initializare();
    for(int k = 1; k <=n; k++)
        for(int i = 1; i<=n; i++)
            for(int j = 1; j <=n; j++)
            {
                if(d[i][j] > d[i][k] + d[k][j])
                {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
    for(int i = 1; i <=n; i++)
    {
        for(int j = 1; j<=n; j++)
            if(d[i][j] == inf)
                 fout<<0<<" ";
            else
              fout<<d[i][j]<<" ";
        fout<<"\n";
    }

    return 0;
}