#include<iostream>
#include<vector>
#include<fstream>

using namespace std;

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

int main()
{
    int matrix[101][101]= {0};
    int n;
    in >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j<= n; j++)
            in >> matrix[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 && matrix[i][k] != 0 && matrix[k][j] != 0 &&(matrix[i][j] == 0 || matrix[i][k] + matrix[k][j] < matrix[i][j]))
                    matrix[i][j] = matrix[i][k] + matrix[k][j];
            }
    for(int i = 1; i<= n; i++)
    {
        for(int j = 1; j<= n; j++)
            out << matrix[i][j] << " ";
        out << '\n';
    }
}