#include <iostream>
#include <fstream>
#include <climits>
#define MAX INT_MAX/2
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
int n;
int costuri[101][101];
int main()
{
    f >> n;
    for(int i = 1;i<=n;i++)
    {
        for(int j = 1;j<=n;j++)
        {
            f >> costuri[i][j];
            if(i!=j && costuri[i][j]==0)
            {
                costuri[i][j] = MAX;
            }
        }
    }
    for(int k = 1;k<=n;k++)
    {
        for(int i = 1;i<=n;i++)
        {
            for(int j = 1;j<=n;j++)
            {
                if(costuri[i][j]>costuri[i][k]+costuri[k][j])
                {
                    costuri[i][j] = costuri[i][k]+costuri[k][j];
                }
            }
        }
    }
    for(int i = 1;i<=n;i++)
    {
        for(int j = 1;j<=n;j++)
        {
            g << costuri[i][j]<< " ";
        }
        g << endl;
    }
}