#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int Nmax = 100 + 5;
int n;
int mat[Nmax][Nmax];
int main()
{
    fin >> n;
    for(int i = 1;i <= n; ++i)
        for(int j = 1,x; j <= n; ++j)
            fin>>mat[i][j];
    for(int k = 1; k <= n; ++k)
        for(int i = 1 ;i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(i!=j && mat[i][k] && mat[k][j] && (!mat[i][j] || mat[i][j]>mat[i][k]+mat[k][j]))mat[i][j]=mat[i][k]+mat[k][j];
    for(int i = 1; i<= n; ++i,fout<<'\n')
        for(int j = 1; j <= n; ++j)
            fout<<mat[i][j]<<" ";
    return 0;
}